electrical conduit
美
英 
英汉解释
例句
electrical conduit tubing and joints therefor, of base metal lined with insulating material.
内衬绝缘材料的贱金属制线路导管及其接头。
elbow , of base metal, lined with insulating material , for electrical conduit tubing.
导线管用弯头,衬裹绝缘材料的,贱金属制。