The punch is used for moving vertically by going through the punch guiding hole and then punching.
冲子，用以于穿越此冲子导孔垂直移动而进行打孔；
Guiding himself by the sound, he made his way through the gathering darkness to the foot of an old beech tree, with a hole in it, and from out of the hole came a feeble voice, saying 'Ratty!
他循着声音的方向，穿过越来越浓的黑暗，来到一株老山毛榉树脚下。从树下的一个洞里，传出一个微弱的声音，说：“鼠儿！”
The gas guiding portion guides source gas to the central portion of the plate and suspends the metal catalysts discharged from the catalyst supply hole in a specific direction.
所述气体引导部将源气体引导至所述板子的中心部分，并使从所述催化剂供应孔排出的金属催化剂沿特定方向悬浮。
Drill holes on the top of the doorway according to the hole position on the guiding track. Fill in plastic plug when necessary.
根据导轨孔位在门洞上端钻孔，必要时打入胶塞。
The table (12) comprises guiding means suitable for urging the product to be folded towards the first guide surface (32) and a first main suction hole (36) which opens on the first guide surface (32).
该工作台(12)包括适用于迫使要被折叠产品移向第一导向表面(32)的导向装置以及开在所述第一导向表面(32)上的第一主抽气孔(36)。
It is carried out by using some lumps and a set of especial guiding boring-hole device. This method is easy and convenient.
提出了联合使用量块和一套导向镗孔装置的解决方案。
The axial hole deviations caused by laser-guiding are analysed and the experimental results show that the new technology of laser guiding can prevent effectively the axial hole deviation in...
分析了激光导向加工时孔产生的误差，实验结果表明，采用激光导向的深孔加工新技术能有效地防止孔偏差。
The axial hole deviations caused by laser-guiding are analysed and the experimental results show that the new technology of laser guiding can prevent effectively the axial hole deviation in...
分析了激光导向加工时孔产生的误差，实验结果表明，采用激光导向的深孔加工新技术能有效地防止孔偏差。
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