conduit tubing

管道管材
常用释义
管道管材

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。