Daily drilling / station
Daily drilling / station
Daily drilling / station
Highest:78.81 Lowest:76.22
Highest:85.34 Lowest:84
About us
Drilling is an engineering to drill into stratum used by mechanical equipment. According to the breaking rock mode and the type of mechanical equipment, we can divide it into two types: Percussion drilling and Rotary drilling. The oil industry usually use Rotary drilling.
感谢您访问我们的网站,您可能还对以下资源感兴趣:
少妇久久中文无码,午夜福利资源网站,国产女色在线视频大全, 欧洲野花视频一9,王者公孙离污污啪图,黄片一级片在线播放,国产十八禁在线小视频,印度肥妇BBW快交,久久无码人妻16p,亚洲欧美综合网站