在装配图中，钻孔深度可按螺纹深度简化画出。
The depth of the drilled hole can be simply plotted according to the thread's depth.
本实用新型涉及机械零件的内螺纹深度测量工具。
The utility model relates to a tool for measuring internal thread depth of mechanical parts.
此外，他们认为，对于攻丝存在一个临界切削厚度(螺纹深度)值，在临界切削厚度的范围内，攻丝能降低攻丝扭矩。
In addition, they believe, for tapping there exists a critical cutting thickness (thread depth) value of the critical cutting thickness within the tapping can reduce the tapping torque.
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