Normal air pressure is about 15 pounds per square inch.
正常的气压大约是每平方英寸15磅。
Normal airways are wide open, so air can go in and out easily.
普通航空公司是敞开的，所以空气可以去和容易。
The mixture also retains the pressure longer than normal air would.
混合气体也能比普通气体更长时间的保持胎压。
Normal air, enriched air or pure oxygen can be used to support combustion.
空气、富气、和纯氧气都可用来支持燃烧。
Move seven feet away, and you're "close to background, " i.e., breathing normal air.
站到七尺以外的话，你已经非常接近背景水平，也就是说呼吸到正常的空气。
Air traffic had returned to normal.
空中交通已恢复正常。
In normal condition, air side should not have dirt.
在正常情况下，气侧应没有污垢。
Weather forecasters say air quality will return to normal this Wednesday following forecasted strong wind.
天气预报表明，周三伴随着强风的来临空气质量将回归正常水平。
Nothing is as precious as all the normal and ordinary in your life, like clean water and fresh air.
最宝贵的往往是生命中最稀松平常的东西，比如空气和水。
Glass forming pressure needed to provide air pressure, the normal pressure is 6-8 MPa.
杯子成型需要气压提供，正常气压为6 - 8兆帕。需要配三立方空压机。
"Concorde is a symbol of British Airways, of air travel and normal life," he said.
他说：“协和飞机不仅是英国航空公司的象征，还是航空旅行和正常生活的象征。”
Normal safe operation of hot air curtain.
让热风幕器正常安全的运行。
Conveyance of compressed air and inert gas under normal temperature.
常温下输送空气及惰性气体。
Check if the instrument air supply is normal.
检查仪表气源是否正常。
Check if the instrument air supply is normal.
检查仪表气源是否正常。
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