试看20分钟大片视频

试看20分钟大片视频:Hook

试看20分钟大片视频:


试看20分钟大片视频:Features:

? Equipped with a hydraulic snubber assembly to protect drill pipe connectors when making up and breaking out connections.


? The body, the bail, and the bail support are cast with special alloy steel.


? The primary load carrying parts of hook are subject to NDE test.


? There is a reliable safety device at the hook.


? It is provided with a braking device to lock up and lock out the body.


? The hook is in accordance with API Spec 8C, and API monogram can be used on them.

copyright ? 2021 试看20分钟大片视频 . ALL RIGHTS RESERVED 沪ICP备08116516号-1

试看20分钟大片视频-试看20分钟做受视频-免费试看二十分钟大片