wiring duct造句怎么写

The arc wiring duct to call the floor trough, it changes the traditional ground wiring way, can solve well skids the floor threading difficulty, easy for construction, reduces the expense.

The circular arc wiring duct also called it separates wiring duct /the insulation wiring duct /seal type wiring duct /arc the circular arc wiring duct /walk wiring duct.