英语词汇back pressure怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	back pressure
释义	back pressure n. 1.【工】(pressure opposing piston)(内燃机的)回压 2.【工】(exhaust pressure)(外燃机的)排气背压 3.【医】(in cardiovascular/urinary systems)(心血管或泌尿系统中由于体液受阻而产生的)反压, 回压
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