名词
中文翻译：背压
同义词：
['backward pressure', 'backpressure']
例句：
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1.The car's engine has a lot of back pressure.
这辆车的引擎有很多背压。
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2.The pump is designed to relieve back pressure in the system.
这个泵的设计是为了减轻系统内的背压。
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3. The engineers were concerned about the potential back pressure issues.
工程师们担心潜在的背压问题。