1)vacuum relief cracking pressure,真空安全开启压力2)relief valve opening pressure,安全阀开启压力3)pressure vacuum breaker,压力-真空安全阀4)vacuum and pressure relief assembly,真空和压力安全装置5)combined pressure and vacuum relief valve,组合式压力-真空安全阀6)open pressure,开启压力
用法例句
The theoretical analysis shows that the open pressure of fault(fracture) section is different from the closed pressure be- cause of different progress.
