slide valve outside lap 滑阀外余面
outside admission piston valve 外进气活塞阀
outside butterfly valve 外置式蝶阀
valve gear for outside admission 外进式阀动装置
If you smell gas or see a broken line, shut off the main valve from the outside.
如果闻到煤气味儿，或看到管道破裂，要关掉从外面进屋煤气管道的主阀门。
Turn off the gas at the outside main valve if you can and call the gas company from a neighbor's home.
如果你能在邻居家打电话，叫煤气公司关掉外面的煤气主阀盘。
Turn off the gas, using the outside main valve if you can, and call the gas company from a neighbor \ 's home.
如果可能的话，从外面的主阀门关掉煤气。从邻居家给天然气公司打电话让他们处理。
应用推荐