electric butterfly valve造句

例句与造句

1. D971x electric butterfly valve
   D971x型电动蝶阀
2. This company adopted our manual and electric butterfly valves , amount to 2600 units , which brings convenient installation and flexible operation
   该公司采用了我公司的手动、电动蝶阀2600台，使得在有限的空间安装方便、操作灵活。
3. It's difficult to find electric butterfly valve in a sentence. 用electric butterfly valve造句挺难的