A set of technological equipment of front_to_back spot facing which is suited for different aperture is introduced. 介绍了一套能适应不同孔径的正反向锪平的工艺装备。
Third chapter, In view of current regional literature work teaching in blind spot, has carried on the analysis from the current middle-school student facing the city and in the modern civilization psychological bitter experience and the teaching to local world one-sided regarding these two aspects. 第三章,针对当前乡土文学作品教学中的盲区,从当前中学生面对城市和现代文明的心理遭遇及教学中对乡土世界的片面看待这两个方面进行了剖析。
Based on spot survey and in combination with literature investigation, the existing problems and facing challenges and opportunities of the agricultural scientific and technical periodicals under the market economy system are analyzed. 本项研究通过实地调查与文献调查相结合的方法,分析了市场经济体制下农业科技期刊存在的问题以及面临的机遇与挑战。
The article took the spot facing work for example to introduce the simplify programme method under the FANUC-O system, and pointed out some practice problem in the process of simplifying programme for reference. 介绍了在FANUC-0系统下,以孔加工为例简化编程的方法,并指出了在简化编程过程中应注意的实际问题,以供借鉴。
When the flange hole of coal blower casing and inlet box is countersunk, the problem of connecting hole back spot facing can be effectively solved. 它可以有效地解决在锪煤气鼓风机铸铁机壳和进气箱的开箱法兰把接孔时,连接孔背面的锪平问题。