back·pres·sure 
(băkprĕsh′ər)
(băkprĕsh′ər)n.
Residual pressure opposing the free flow of a gas or liquid, as in a pipe or an exhaust system.
| 单词 | backpressure |
| 释义 | back·pres·sure (băkprĕsh′ər)n. Residual pressure opposing the free flow of a gas or liquid, as in a pipe or an exhaust system. |
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