| 单词 | pressure-vacuum valve |
| 释义 | pressure-vacuum valve[ presh-er-vak-yoo-uhm, -yoom ] / ˈprɛʃ ərˈvæk yu əm, -yum / nouna valve for relieving a sealed tank of any pressure or vacuum exceeding acceptable limits. Words nearby pressure-vacuum valvepressure sore, pressure suit, pressure-treated, pressure-tube anemometer, pressure ulcer, pressure-vacuum valve, pressure vessel, pressure-volume index, pressure welding, pressurization, pressurize Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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