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:
女人爽到高潮潮喷叫床69,波多野结衣全集,国产精品人妻无码久久久,处破女处破全过,久久久久无码国产精品一区,男人把JIJ放到女人JII里面,善良的公与媳在线播放,chineSe熟女老女人HD