The design principle and primary parameters' computing on the Gas Trap Hood of the equipment pumping cooking oil fumes is introduced in this paper.

详细论述了抽油烟机集气罩的设计原理，以及主要参数的确定方法。

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Further improvements in drainage canals and pumping equipment in the older sections of the city were also made. These operated well until they were overwhelmed by Hurricane Katrina in 2005.

城市其他老城区的排水渠道和排水设备有有了进一步的提高，这些设施直到被2005年卡崔娜飓风淹没之前，一直运转良好。

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Install, test, maintain and repair water well pumps, piping systems and equipment and perform pumping tests to assess well performance.

安装，测试，维护和修复水井泵，管道系统和设备，并进行抽水试验，评估水井性能。

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Lufkin, based in Lufkin, Texas, makes pumping equipment that helps drillers extract more oil out of older fields or ones that need to be pumped because the oil and gas underground is not under enough pressure to be forced to the surface naturally.

NPR: GE To Buy Lufkin Industries For $3.1B

Katrina crushed Mars with 90-foot waves that toppled the drilling equipment stationed on deck and damaged vital pumping and processing gear.

FORBES: Open the Spigots