| 1. | Check pipe - hangers , supports , guides , expansion joints , and other pipe specialties for the removal of all shipping and erection stops and for the correctness of cold settings for the design service 检查管道吊架、支架、导向架、膨胀节及其它管道特殊件,以除去所有的运输与安装附件,确保设计服务冷设置的正确性。 |