国产日韩欧美综合色视频在线_欧美精品亚洲日韩aⅴ_在线播放免费人成毛片试看_婷婷爱九月久久夜夜_国产女同疯狂作爱系列_chinese丰满人妻videos_午夜福利一区二区东京热_国产亚洲精品自在久久77

KG925 type open-air drill rig on the basis of KG920B drilling rig, innovative design the guide rail, gyrator, crawler frame, operating floor and the machine layout, mainly has the following characteristics:

1.Extension of the guide rail, to promote travel up to 3.4 m, shallow hole without extension rod.

2.Using cycloid motor gyrator, high speed, long service life

3.Rotary speed up to 140 r/min, soft rock borehole faster and hard rock borehole can use the accelerator and slow gear to reduce speed.

4.Operating handle centralized layout, and equipped with pedals, tidy and beautiful, easy to operate.

5.Strengthen the crawler frame, like excavators, appearance beautiful, strong and durable;