main gas valve operator 主气阀传感器
If you smell gas, shut off the main gas valve.
如果你闻到煤气味，关闭总阀门。
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。
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。
应用推荐