名词
中文翻译：背压
同义词：
['back pressure', 'back force']
例句：
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1.The pump is designed to relieve backpressure in the pipeline system.
该泵设计用于缓解管道系统中的背压。
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2. Thesudden drop in temperature caused a significant backpressure in the system.
温度的突然下降导致系统内产生了显著的背压。
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3. The engineer had to deal with thebackpressure from the heavy machinery.
工程师不得不处理来自重型机械的背压问题。