1.
steerable downhole motor assembly
可转向的井下马达钻具组合
2.
WOB CALCULATION FOR COMBINATION OF HYDRAULIC THRUSTER AND DOWNHOLE MOTOR
水力加压器和井下马达组合时的钻压计算
3.
Amerada pressure gauge
阿米雷达井下压力计
4.
backside pumping
一台马达带动两口井抽油机
5.
pony used(esp formerly)underground in a mine to pull heavy loads
（尤指旧时的）矿井下运输用的小马.
6.
DESIGN AND CALCULATION OF THE CLIP OF THE POWER MOTOR TEST STAND USED IN THE WELL
井底动力马达试验台架夹紧钳的设计和计算
7.
Design and calculation of the clip of the screw rod motor test stand used in the well
井底螺杆马达试验台架夹紧钳的设计和计算
8.
Project Study for Test Equipment of Hydraulic Pump and Hydraulic Motor of Well Cementing Truck
固井水泥车用液压泵及液压马达试验系统方案
9.
He threw the switch and cut in the motor
他扳下开关发动马达。
10.
Remove pump motor connector from the CAB.
从CAB上拆下泵马达接头。
11.
Ingate Support Structure and Application in Deep Mine Shaft with Complicated Geological Conditions
复杂地质条件下深井马头门支护结构及应用
12.
When the mineral veins are buried deep in the earth, it is necessary to excavate shafts and tunnels to reach the ore body. There are many types of shafts andtunnels in a mine.
如果矿脉在地下埋藏较深，就必须挖掘井巷以通达矿体。井下井巷的种类有许多种。
13.
When using a motor of 2P, use the motor pulley, the outer diameter of which is 50mm or less.
使用2P 马达时，请使用外径50mm 以下的马达皮带轮。
14.
Remove starter motor (refer to Group 8B, Battery/Starter Service).
拆下启动马达（见单元8B，电瓶/启动马达维修）。
15.
RESERVOIR CHARACTERISTICS OF LOWER ORDOVICIAN MAJIAGOU 51 MEMBER AROUND WELL SHAN 155 , JINBIAN GASFIELD OF CHANGQING
长庆靖边气田陕155井区下奥陶统马家沟组马五_1储层特征研究
16.
subsurface controlled subsurface safety valve
井下控制井下安全阀
17.
selective gamma gamma log
选择伽马 伽马测井
18.
It was a dramatic change from the disciplined formality of Berlin to the exuberant chaos of the Rome airport.
从柏林的井井有条，循规蹈矩，一下到了热情洋溢，乱七八糟的罗马机场，变化是太大了。