管道系统压力试验之后，气体泄漏性试验之前，应进行系统吹扫。
Once the piping system passes the pressure test, sweeping shall be carried out prior to the gas leakage test.
1管道系统的气体泄漏性试验，应按设计文件规定进行，试验压力为设计压力。
1gas Leakage test for piping system shall be carried out according the design document; the test pressure shall be the design pressure.
6真空管道在气体泄漏性试验合格后，真空系统联动试运转时，还应进行真空度试验。
6although the vacuum piping system passes the gas leakage test it shall also bear a test of vacuum degree prior to the linkage trial run of the vacuum system.
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