The utility model belongs to a scope of electric pipe connection pieces, in particular to a muff-coupling clamping closed galvanized steel conduit joint device.
本实用新型公开了属于电气管线连接件范围，特别涉及一种套接紧定式封闭型镀锌钢导管接头装置。
2
It's a conduit enclosing insulated electric wires.
这是包电线的导管。
3
She binds conduit the claw in small rat to go up, should press only switch, electric current can emerge to the whole body from claw.