| 单词 | pressure relief valve |
| 释义 | > as lemmaspressure relief valve pressure relief valve n. a valve which automatically opens to release a gas or liquid when the pressure reaches a certain level. ΚΠ 1910 Washington Post 15 July 3/8 The pressure relief valve is set to blow off at a high figure. 1991 Offshore Engineer Sept. 5/2 A pressure relief valve on the hydraulic fluid side protects the gear and diaphragm pumphead from overloading. < as lemmas |
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