portable drilling rig

基本解釋

The description covers full-hydraulic core drilling machines, portable drills, geo-thermal drills, offshore and beach sampling equipment, all-casing drilling rig, etc.
介紹的主要設備有全液壓巖心鉆機系列、輕便設備系列、地源熱泵鉆機、淺海及灘涂取樣鉆機、全套管鉆機等。
After reformation of drill pump, rotary table and drilling rod, the triple-men portable rig has achieved good results when drilling is in breed zone by netting box and other land areas.
對三人鉆機的壓水泵、轉盤、鉆桿部件進行改進后，三人鉆機在圍網養(yǎng)殖區(qū)以及其它陸上鉆井時，都取得了良好的效果。