久国久精品国产99产精,亚洲日韩自偷自拍另类,国产BV在线观看免费,2025影音先锋最新无码资源网,老司机中文幕亚洲电影网,国产美女脱JK无遮挡

Product selling points

Adopt advanced control technologies such as closed energy-saving circuit, load sensitivity, electro-hydraulic ratio, energy saving, consumption reduction, flexible and comfortable operation;

The rack and pinion pushes and pulls, the transmission is stable and reliable, and the power head spindle floats to increase the service life of the drill pipe thread;

PE pipeline elastic balance release technology can effectively prevent equipment damage caused by the reaction force of the towing pipeline and improve the reliability of equipment construction;

Multi-stage stepless speed regulation system for mud flow, saving mud and reducing pollution;

The cab can be rotated 45 ° to improve the operating comfort.

 

Product configuration