Roots pump is the main pump to pump for the former spin-pump series from.

是以罗茨泵为主泵，以旋片泵为前级泵串联而成。

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An engine main pump test system was improved to be both applicable for pump test and fuel throttle valve test.

在长征系列发动机主泵试验系统现有的基础上经局部改造而建造了燃料节流阀试验系统。

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Most of main pump in pump stations driven by variable speed motor for long distance transport petroleum engineering.

在长距离输油（气）管道工程中，大部分泵站内的主泵采用调速电机驱动。

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My main online tool for priming the pump for the launch of the book was the blog.

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Work out any kinks with a massage at the on-site spa, or pump some iron in the workout facilities in the main health club.

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But somehow we lost power in our generator and in our main engines, and as a result, we could not pump any water out of the boat.

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