名词
中文翻译：背压
同义词：
['back pressure', 'back load']
例句：
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1. The car's engine isunder a lot of back pressure.
这辆车的引擎承受了很大的背压。
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2. The heavyload on the truck caused it to overheat.
卡车上的重载导致它过热。
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3.The engineer had to deal with a lotof back pressure from the clients.
工程师不得不应对来自客户的大量背压。