axialfaceseal(endstuffingbox,duoconeseal,rotatingmechanicalseal)词语:axialfaceseal(endstuffingbox,duoconeseal,rotatingmechanicalseal)解释:轴密封(零布头填料盒,高低音扬声器封闭,旋转机械密封)词典:专利专业英......