valve holder spindle 持瓣器柄
Accessoties of single spindle turret automatic lathes . die holder . dimensions.
单轴转塔自动车床辅具。板牙架。尺寸。
A speed-raising tool holder which is drived by special traction agent is developed. Speed of tools can be raised8thimes without any change of the construction and spindle speed of machine.
研制了一种由特制的牵引剂进行驱动、用于回转机床的增速刀柄，该刀柄能使刀具增速8倍而不改变原机床的任何结构和主轴转速。
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