波纹钢管 meaning in Chinese

corrugated steel tube

Corrugated steel pipes and sections
波纹钢管及型材
Corrugated steel culvert
波纹钢管涵洞
Conduits and fittings for electrical installation ; flexible corrugated conduits of steel
电气设备用导管和接头.柔性波纹钢管
Standard specification for corrugated steel pipe , metallic - coated for sewers and drains
下水道和排水沟用金属涂覆波纹钢管标准规范
Standard specification for corrugated steel pipe , polymer precoated for sewers and drains
下水道和排水沟用预涂聚合物波纹钢管标准规范

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