http://pastport.jp/user/wangfuns/timeline/Pneumatic%20crawler%20drilling%20rig%20is%20a%20light%20deep%20hole%20drilling%20rig%20powered%20by%20compressed%20air Pneumatic crawler drilling rig is a light deep hole drilling rig powered by compressed air and equipped with a crawler-type walking structure.https://www.jiudemachinery.com ja-JP <p>空気式クローラ掘削装置は、圧縮空気を動力源とし、クローラ型歩行構造を備えた軽量深穴掘削装置です。<a href="https://www.roadsmachinery.com">https://www.roadsmachinery.com</a></p> 2023-07-13T18:34:14+0900 http://pastport.jp/user/wangfuns/timeline/Pneumatic%20crawler%20drilling%20rig%20is%20a%20light%20deep%20hole%20drilling%20rig%20powered%20by%20compressed%20air/event/UnscmwkTyfj wangfuns http://pastport.jp/user/wangfuns/timeline/Pneumatic%20crawler%20drilling%20rig%20is%20a%20light%20deep%20hole%20drilling%20rig%20powered%20by%20compressed%20air/event/UnscmwkTyfj#comments http://pastport.jp/user/wangfuns/timeline/Pneumatic%20crawler%20drilling%20rig%20is%20a%20light%20deep%20hole%20drilling%20rig%20powered%20by%20compressed%20air/event/UnscmwkTyfj