管道安装后进行压力试验时,施工验收规范要求要对管道上的膨胀节进行临时约束。
In accordance with construction acceptance specification, temporary restraint is to apply to the expansion joint on pipeline at pressure test after pipe installation.
管道安装后进行压力试验时,施工验收规范要求要对管道上的膨胀节进行临时约束。
In accordance with construction acceptance specification, temporary restraint is to apply to the expansion joint on pipeline at pressure test after pipe installation.
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