槽深略大于线圈截面高度尺寸。
The groove depth is bit bigger than the size of the coil section height.
自行车轮胎可以在钢索的深槽里滑动。
但当你脸上出现时光的深槽。
所有深孔钻都是直出屑槽的,并且均为单切削刃。
All gun drills are straight-fluted, and each has a single cutting edge.
所有深孔钻都是直出屑槽的,并且均为单切削刃。
All gun drills are straight-fluted, and each has a single cutting edge.
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