the structure design of the dual mechanical seal with double narrow seal face is designed,and this type of mechemical seal was successfully use in practice.
串联式双端窄面密封在液态烃泵上的实际应用中取得了良好的经济效益和社会效
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号