copnose,nose是什么意思

用法例句

Combined with practical engineering,the author introduces the design and construction scheme of pilot pipes,and illustrates construction technology of large pilot pipes,trimmiog of operating platform,construction of umbrella arch,jacking of steel tube,and grouting of pilot pipes,in order to ensure safe and rapid implementation of construction.

结合工程实例,介绍了管棚的设计与施工方案,并对长管棚施工的施工工艺、作业平台的修整、套拱的施工、钢管顶进、管棚注浆等方面进行了阐述,以保证施工安全快速地进行。

Key technology of construction on conduit of steel pipe;

某地铁线上水DN2000钢管顶管施工关键技术