slingers 中文意思是什麼
slingers
解釋
投石兵-
Cranes - training of slingers and signallers
起重機.吊裝工和信號手的培訓 -
With inner-race rotation slingers should be provided to throw the oil back into the bearing.
當內圈轉動時，應該有回注裝置使扔掉的油回注軸承。
分享友人