管拱 meaning in Chinese

pipeline overhead lifting

Standard specification for corrugated aluminum alloy structural plate for field - bolted pipe , pipe - arches , and arches
现场栓接管管拱和拱用波纹铝合金结构板的标准规范
Standard specification for corrugated steel structural plate , zinc - coated , for field - bolted pipe , pipe - arches , and arches
现场栓接管管拱和拱用镀锌波纹钢结构板材的标准规范
Standard practice for structural design of corrugated aluminum pipe , pipe - arches , and arches for culverts , storm sewers , and other buried conduits
涵洞排水和其它地下管道用波纹铝管管拱和拱结构设计的标准实施规程
Standard practice for structural design of corrugated steel pipe , pipe - arches , and arches for storm and sanitary sewers and other buried applications
雨水卫生污水和其它地下设施用波纹钢管管拱和拱的结构设计标准实施规范