During the pumping cycle the gas is in intimate contact with the sealing liquid and compression is nearly isothermal.

在抽运周期内，气体会与密封液和几乎等温的压缩气体紧密接触。

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The enterprise life cycle and business cost strategy has a close contact.

企业的生命周期与企业的成本战略具有密切联系。

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Single row angular contact ball bearing with two piece inner ring has complex construction, long design cycle, great difficulty in processing.

双半内圈四点接触球轴承结构复杂、设计周期长、加工难度大。

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Vaccination campaigns need to treat everyone who comes in contact with an infected individual in order to break the cycle of transmission.

FORBES: Despite the Odds, Vaccinators Triumph Over Polio

As soon as the worm makes contact with water, it releases its larvae into the water, and the cycle begins again.

CNN: How fight against Guinea worm was won