A reconditioned sewing machine; a repaired vacuum cleaner; the broken lock is now fixed. 修好的锁线装订机;修好的真空吸尘器;坏的锁现在修好了。
Electron gun vacuum lock 电子枪真空密封装置
The astragal putrescence may be disassembled into three stage: putrescence stage, evolve stage and resume stage. a reconditioned sewing machine; a repaired vacuum cleaner; the broken lock is now fixed. 结论距骨缺血坏死可分为坏死期、进展期及修复期,坏死期极少见,而以进展期及修复期最多。修好的锁线装订机;修好的真空吸尘器;坏的锁现在修好了。
Design and application of motive sealing to vacuum lock 动密封在真空锁中的设计与应用
Influence of Vacuum Lock Property on Spectral Lines 真空锁性能对谱线的影响
This thesis presents the Petri Net model of the dual-arms cluster tool that can describe the stay time of wafer processing and the wait time for mechanical hand unload wafer from the vacuum lock or processing module. 本文建立了双臂组合设备的PETRINET模型,利用该模型能够针对晶圆加工的逗留时间以及机械手从真空锁或者加工模块卸载晶圆之前的等待时间进行描述。