axialfaceseal(endstuffingbox,duoconeseal,rotatingmechanicalseal)詞語:axialfaceseal(endstuffingbox,duoconeseal,rotatingmechanicalseal)解釋:軸密封(零布頭填料盒,高低音揚聲器封閉,旋轉機械密封)詞典:專利專業英......