ball valve造句

1、The invention aims to develop the sulfur hexafluoride gas controllable multi-pass ball valve group.
本发明的目的是研制一种六氟化硫气体可控式多通球阀组。

2、In general, WILLIAMSONs trunnion ball valve features the front ball sealing design structure.
威廉姆森固定球阀一般采用球前阀座密封结构。

3、Technical Retrofit of ALFA Ball Valve in Ethylene Plant
乙烯装置ALFA开关球阀的技术改造

4、Ball valve for opening and closing the main pipe and equipment used media.
球阀主要供开启和关闭管道和设备介质之用。

ball valve翻译