Dense phase voidage can be estimated by cutting gas flow and following the rate of bed collapse.

采用切断流化床气源，并跟踪测量床面塌落速度的方法，可以测得浓相空隙率。

youdao

Cutting gas is to ensure that the formation of plasma jet, and to ensure that remove the molten metal oxides and incision.

切割气体既要保证等离子射流的形成，又要保证去除切口中的熔融金属和氧化物。

youdao

youdao

Earlier this week African delegates boycotted some talks because they said developed nations were not making concrete promises on cutting greenhouse gas emissions.

VOA: standard.2009.11.06

Britain is cutting down on its industrial gas use to save supplies.

VOA: standard.2010.01.10

Cutting greenhouse gas emissions may also prove expensive, though that depends on how it is done.

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Americans, was intended to punish Azerbaijan for cutting off gas supplies to Armenia.

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Cutting greenhouse gas emissions in line with the Scottish government's climate change targets will require some tough choices in future.

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