During the birth she was given gas and air.

她分娩时用了麻醉混合气体。

《牛津词典》

Use of gas and air pre-mixed and then burning to intense burning was carried out and the full and absolute absence of any explosion hazard.

使用时燃气预先与空气充分混合，再进行燃烧，使燃烧进行得剧烈而充分，绝对无任何爆炸危险。

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The oxidation and molecular recomposition proceeded in the same time, when the isobutanol gas and air passed the fixed bed catalytic reactor continuously.

异丁醇气体和空气混合后通过催化剂层的固定床反应器，使氧化反应和分子重排反应同时进行。

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Bigger livestock herds are putting greater pressure on land resources and disrupting some ecosystems and the animals generate significant amounts of water and air pollution, including methane, a climate-changing greenhouse gas.

VOA: standard.2010.02.22

The star had to be given gas and air in hospital while medics manipulated her leg.

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It would also be true of the fertiliser industry: the ingredients for that are basically natural gas and air.

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The repair shop put an engine on a test bed, attached sensors, hooked it to computers, and tried every possible combination of gas and air.

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