煤气总管;

A gas main had cracked under my neighbour's garage and gas had seeped into our homes.
邻居车库下面的煤气总管裂开了,煤气渗入了我们家。
来源:《柯林斯高阶英汉双解学习词典》If you can't do it by yourself, you should call somebody to check the gas main.
如果你自己做不了, 就应该叫别人来检查煤气总管道.
来源:互联网摘选
简答网 · 双语娱乐资讯

简答网 · 双语娱乐资讯

简答网 · 中考英语

简答网 · 初中英语作文

简答网 · 中考英语

简答网 · 双语娱乐资讯