portable drilling rig

常見例句

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(shè)備有全液壓巖心鉆機(jī)系列、輕便設(shè)備系列、地源熱泵鉆機(jī)、淺海及灘涂取樣鉆機(jī)、全套管鉆機(jī)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(duì)三人鉆機(jī)的壓水泵、轉(zhuǎn)盤、鉆桿部件進(jìn)行改進(jìn)后，三人鉆機(jī)在圍網(wǎng)養(yǎng)殖區(qū)以及其它陸上鉆井時(shí)，都取得了良好的效果。