Fill system with Dl water and perform leak test with circulation pump.

向系统中填充去离子水并用循环泵测漏。

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The analysis on the ways of the conditioning of heating circulation pump is given.

分析了采暖循环水泵的几种运行调节方式。

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Due to unstable sea level, drilling by using 6bs counter circulation pump is not very suitable.

在浅海岸边进行钻机作业，由于海平面水位不稳定，采用6 BS反循环泵已不合适。

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The fan and circulation pump use only 3.5 to 10 amps from the truck's battery -- which means there's no danger of draining the battery, Webasto says.

CNN: An eco-friendly way to cool big trucks

Lillehei solved that problem with cross-circulation, in which a donor, linked to the patient by plastic hose and a simple pump, acted as a living heart-lung machine.

FORBES: Brave heart