hole-bottom power drilling 中文意思是什麼
hole-bottom power drilling
解釋
井下動力鉆井-
The engineering drilling machine of kp2200 type is double layers bottom plate, and drives through hydraulic pressure, upper plate can move fore and aft on the lower plate, the drill power leans back under the action of oil cylinder, the lower plate can put the drilling tool within 2. 5 meters into well hole without moving, it is convenient and reliable, and ensures construction quality
Kp2200型工程鉆機為雙層底盤,通過液壓驅動,上盤可在下盤上前後移動,鉆塔在油缸的作用下後仰,下盤不動即可把2 . 2米以內的鉆具放入井孔內,方便可靠,保證施工質量。
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