... gas tapping machine 管螺纹攻丝机 electrical tapping machine 电动开孔机 tapper tapping machine 开铁口机 ...
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electrical piano tapping machine 电动开孔机
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Aiming at the technological requirements of tractor wheel hub threading, the electrical and hydraulic control parts for tapping unit combination machine tool were designed.
针对拖拉机轮毂的攻丝工艺的要求，设计了组合攻丝机床的电气与液压控制部分。
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