metallic conduit meaning in English

金属管

Non - metallic conduits and fittings for electrical installations - rigid pvc conduits and conduit fittings - imperial units
电气装置用非金属导管及配件规范.硬聚氯乙烯导管和配件.英制单位
Non - metallic conduits and fittings for electrical installations - specification for fittings and components of insulating material
电气装置用非金属导管及接头规范.第1部分:绝缘材料接头和元件规范
Non - metallic conduits and fittings for electrical installations - specification for rigid conduits , fittings and components of insulating material
电气装置用非金属导管及接头规范.第5部分:绝缘材料刚性导管接头和元件规范
Non - metallic conduits and fittings for electrical installations - pliable corrugated , plain and reinforced conduits of self - extinguishing plastics material
电气装置用非金属导管及接头规范.自熄性塑料制普通和增强可弯波纹导管