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A clamp or vise that holds a machine part in place or controls its movement or that holds two such parts together. 鉗，夾夾子或老虎鉗，用來(lái)固定機(jī)器部件到位、或控制其運(yùn)動(dòng)或把兩個(gè)該種機(jī)件連接起來(lái)