a set of bearings in a machine, supporting a revolving part
主轴台,主轴箱。
the widened piece at the end of the neck of a guitar, to which the tuning pegs are fixed
琴头(吉他琴颈顶端有调音栓的较宽阔部分)。
the horizontal end member of the underframe of a railway vehicle
机头座。
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