back pressure
柯林斯詞典
1. N the pressure that opposes the motion of a piston on its exhaust stroke in an internal-combustion engine 背壓
2. N the exhaust pressure in external combustion engines (外部內(nèi)燃機(jī)的)排氣壓力
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1. N the pressure that opposes the motion of a piston on its exhaust stroke in an internal-combustion engine 背壓
2. N the exhaust pressure in external combustion engines (外部內(nèi)燃機(jī)的)排氣壓力