妓女爽爽爽爽爽妓女8888,日韩欧美在线综合网,久久人人爽,人人片av,野花日本hd免费高清版7

Cavity - head type repairing fixture

Products > Dimensional repair equipment and materials > Cavity - head type repairing fixture

Cavity - head type repairing fixture

Fill plate for pipeline repair fixtures such a small area of the leak and the leak repair without auxiliary materials, welding through drainage, to ensure the safety of welding.

Patch repair clamp is mainly used for the repairs when small-area leakage occurs to the pipe or there is no auxiliary at the leaking position; use vent for drainage when welding, so as to guarantee the welding safety.