1.
pipe reciprocator
上下活动套管的装置
2.
free casing pump
套管型活动式井下泵
3.
A complete set of removable artificial teeth for both jaws.
活动假牙装在上下颚上的一整套可活动的人工牙
4.
bottom-trip casing whipstock
井下移动式套管造斜器
5.
The piston moves up and down in the piston chamber primarily in response to changes in intakemanifold vacuum.
活塞主要因进气歧管真空度的变化而在活塞腔内上下移动。
6.
free parallel pump
平行管型活动式井下泵
7.
recipro wall cleaner
上下活动式井壁刮针
8.
If I go out and take a stroll, move around some, I can forget my hunger.
上街达一下，活动活动，可以忘掉饿。
9.
dynamic nesting of subprogram activation
子程序活动动态嵌套
10.
slip-on type pipe base screen
套在中心管上的筛管
11.
I had to put on a sweater since it was raining hard outside.
外面在下雨，我不得不套上一件厚运动衫。
12.
The piston slides noiselessly up and down.
这个活塞上下活动,没有响声。
13.
gramme activity
综合性成套活动方案
14.
workstring reciprocation
工作管柱上下往复运动
15.
Disconnect CRS hose from radiator filler neck and pull through (remove) the shroud retaining loops.
从散热器填注颈上断开CRS软管，并从风扇罩保护套环上将其拔（拆）下。
16.
4.4 Make a wiper trip to the 20 inch casing shoe.
短起下到20英寸套管鞋。
17.
surface hole drilling
钻下表层套管的井眼
18.
floating in casing
下部装回压阀的套管柱