lock bar operating lever stand
锁闭杆操纵握柄架
The man operating brake bar is our driller.
操作刹把的那个人是我们的司钻。
After a heavy repair, the lathe often has the problem that its three barsleadscrew, finish bar and operating bar, are not concentric.
车床大修后, 经常会碰到三杆不同心现象。
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