Like all gas piping systems, corrugated stainless steel tubing (CSST) must be properly installed. If your home or business has corrugated stainless steel tubing, it is strongly recommended that you determine if it is properly bonded and grounded. A qualified professional should ground and bond your...
The smell of gas on the street may make us hold our breath. However, when it comes to56 (pollute ), the air of your own home may be also bad."People spend most of their time indoors, and the air of _57_ ( they) homes can be two to five times as polluted as the outdoor ...
If you smell gas or see a broken line, ___ the main valve (阀门)from the outside. A. go off B. shut off C. take off D. put off 相关知识点: 试题来源: 解析 B 【答案】B【思路点拨】考查固定搭配。shut off,(机械、工具等)关闭,关上,停止运转。go off,下车。take off,脱掉,起飞。
Don’t use yourgas stove or ovenfor anything other than cooking—to heat your home, for instance. Always ensure natural gas space heaters are properly vented outside so fumes don’t build up indoors. Install a carbon monoxide detector in your home or business to alert you of any elevated ...
“If the house next door was on fire, you probably need a professional,” Miller said, even if your home doesn’t have any noticeable damage. Another indicator you might need outside help is if there’s visible ash or soot. Bu...
D. Rocks formedbeneaththe ocean floor may be a source of free hydrogen gas. 选B。考点:词义、句意理解。 这题我看来还是真题复现,18年考过对behind的本义和引申义考查。相对于behind有较多含义,beneath就两个最基本含义: 1)in or to a lower position than somebody/something; under在下方 ...
The smell of gas on the street may make us hold our breath. However, when it comes to 1 (pollute), your own home may be just bad. "People spend most of their time indoors, and 2 (they) homes can be two to five times as polluted as the air outside," says the US Environmental...
【题目】T he smell of gas on the street may make ma ny of us hold our breath. However, when it co mes to pollution, your own home may be just as bad."People spend most of their time indoors,and their home can be two to five times (倍) as polluted as the air outside," s...
Sewage releases toxic hydrogen sulfide gas that can damage organs and cause respiratory irritation. However, it's unlikely that an odor coming out of your drains will release very much, so there's little reason to worry. Why does my shower water smell like sewer gas?
The smell of gas on the street may make many of us hold our breath .However when it comes to pollution your own home may be just as bad. "People spend most of their time indoors and their home can be two to five times(倍) as polluted as the air outside " says the US ...