bottom diameter
英 [ˈbɒtəm daɪˈæmɪtə(r)]
美 [ˈbɑːtəm daɪˈæmɪtər]
（螺丝）底径；底部直径
双语例句
- PIERCER: Second stage of operation in the cage department; removes the bottom stock from the blank to the approximate inner diameter of the finished cage.
冲孔：保持架部门第二步工序，去除保持架兜孔底部的材料，其内径尺寸接近成品内径。 - The sound absorbing rubber cone is a cone having multifold height, the wimble degree and the bottom diameter;
它的吸声橡胶圆锥为多种高度、锥度和底面直径的圆锥体； - A large, cylindrical container, usually made of staves bound together with hoops, with a flat top and bottom of equal diameter. Therefore, the barrier distribution should be taken into consideration for the perforation of reservoir with bottom water and gas cap.
桶圆柱形大容器，常由桶板及周围的铁箍组成，平顶平底且直径等同因此，气顶底水油藏油井射孔时，应考虑隔板的分布。 - Based on the engineering design, summing up the design work of 20,000 m large roof cone bottom aviation kerosene tank, make the design analysis of over 32 m diameter roof with rib.
以工程设计为实例，总结大型拱顶锥底航空煤油储罐的设计，对大于32m直径带肋拱顶进行了设计分析。 - A Cursory Review Concerning Bottom Diameter Progressive Increment of Flat Sizing Roll of Straight Weld Pipe Mill
直缝焊管机组定径平辊底径递增量的探讨 - The study of young tree growth for Pinus massoniana shows that: The growth regularity of tree height and diameter at tree bottom is different, and the rules of the meteorological factors affecting the growth of tree height and diameter at tree bottom are also different.
对马尾松幼苗年生长规律研究结果表明，苗高和地径生长进程有差异，影响苗高、地径生长的气象因子也不同。 - The result of monitoring consequence of bottom tunnel in period of excavating and withdrawal reveals that the way of suitably increasing length and diameter of the anchor, and building the bottom anchor can effectively reduce deformation in bottom tunnels.
通过对底板煤巷掘进期与回采期巷道变形现场监测表明：适当加大锚杆长度与直径，并在底板煤巷底帮增加布设底锚能够有效降低回采巷道变形量。 - The paper illustrates the calculation of the amount of work in man-operated well digging and pile depositing with the bottom enlarged in diameter.
通过实例介绍人工挖孔大直径扩底灌注桩工程量的计算方法。 - Results showed that the height of propeller from bottom sediment, water velocity on the jet exit, diameter of propeller are main factors acting on flow velocity on the bottom plane.
结果表明，螺旋桨距河流底面的深度、螺旋桨射流出口流速、螺旋桨直径对底部流速的分布影响显著； - The Research of Trench Roof at the Bottom of Stope of Large Diameter Deep Hole Mining
《屋顶上的提琴手》：种族，世代，阶级与性别冲突的史诗大直径深孔采矿采场底部堑沟顶端形状研究 - The results were as follows: ( 1) As compared to conventional cultivated rice, the bottom internode length of ridge cultivated rice was shorter, and the bottom internode diameter, density and sheath weight per stem were higher, so the lodging resistant capacity was better;
结果表明：（1）在植株形态上，与常规栽培相比，垄畦栽培后株高变矮，茎基部节间的直径和密度增加，单茎鞘重增加，植株抗倒性增强； - The compression zone of pier is in range from the bottom of the pier to the depth of 1.6 times diameter of the bottom of the pier.
墩底压缩区主要集中在距墩底1.6倍墩底直径范围内。 - Effect of Settled Material of Pile Bottom on Bearing Capacity of Large Diameter Bored Pile
桩底沉渣对大直径钻孔灌注桩承载力的影响分析 - Study on Fluid Velocity at The Hole Bottom in Large Diameter Reverse Circulation Rotary Drilling
大直径反循环回转钻井底冲洗液流速的研究 - The Design of the Top Diameter and Bottom Diameter Dimen-tion of Cavity Groove Shape
浅论凹模槽形顶径和底径尺寸的设计 - The Application Research on Plies Bottom Static Loading Test of Big Diameter Rock-socketed Bored Piles
桩底加载法静载试验在大直径嵌岩桩工程中的应用研究 - Based on the historical experience of drilling technology, it is proposed to study the bottom process of large diameter reverse circulation rotary drilling.
根据钻探技术的历史经验，建议应进行大直径反循环回转钻进井底过程的研究。 - Some kind cylinder liner request measure nine parameters: inside and outside diameters in different positions, width of the boss of the part, hydraulic packing trough bottom diameter, shoulder place fillet partial diameter, and so on.
某型气缸套要求测量九个参数：不同位置内外径，凸台宽度，以及水封槽底径和肩台处的圆角部分的直径等。 - A stainless steel converter is used with its bed 1 on the bottom and a cap of Cs 120 cesium promoted large diameter ring catalyst in bed 1. Careful consideration is given to heat expansion and outer insulation.
该装置采用将一段催化剂床放在底部的不锈钢转化器，一段床上部采用Cs－120型含铯大颗粒环状催化剂，对热补偿和外保温给予了充分的考虑。 - Pile bottom pressure casting construction of drilled caisson pile with super big diameter in one super bridge
某特大桥超长大直径钻孔灌注桩桩底压浆施工 - The bottom of the primitive amniotic cavity has differentiated into the ectoderm, about 72& 90 μ m in diameter. The endoderm of the lower surface of the embryonic knot continues to develop along the inner surface of the trophoblast to the equator.
原羊膜腔底部分化为外胚层，径约72～90μm，胚结腹面的内胚层伸向滋养层内1/2赤道处。 - The output efficiency is improved as high as 6% by using HfO_2 film, and CW output of 1.63 W for bottom emitting VCSEL with 600 μ m diameter was obtained.
镀膜后直径为600μm的底发射VCSEL获得了室温连续输出功率为1.63W，功率转换效率提高了6%。 - To the bottom water reservoir or gas-cap reservoir, the well bore diameter should be increased in order to reduce pressure drawdown in the well bore of the horizontal well, which can lag the coning of the bottom water of bottom gas.
对于有底水或气顶的油藏，应适当增加水平井筒直径，以降低水平井筒内压降，从而延缓底水或底气的锥进。 - The combination with bottom CBY had the smallest drop diameter and quite longer clarification time under the same power input per unit volume.
单位体积输入功率相同时，底桨为CBY的组合桨进行液-液分散后，液滴的平均滴径最小，体系澄清时间较长； - The reactor core is put on the bottom of a large and deep pool with activity zone of 110 cm in height and 174 cm in equivalent diameter.
反应堆堆芯放置在一个大而深的水池底部，其活性区高为110cm，当量直径为174cm。 - The model shows that it only needs milliseconds for the polymer to penetrate into the bottom of the hole under atmosphere pressure. The penetrating efficiency increases with the hole diameter.
该模型显示了粘性聚合物在大气压的驱动下，深入到微米孔底只需毫秒级时间；聚合物的深入效率随孔径的增大而增大。 - The top of the tetragonal W nanowire is tip-shaped morphology, and the bottom of the diameter is significantly larger than the average diameter of the nanowires.
四方W纳米线顶端呈尖状形貌，底端的宽度要明显大于纳米线的平均宽度。