您要查找的是不是:
- Change annular BOP packing. 更换万能防喷器芯子。
- 262、 Change annular BOP packing. 更换万能防喷器芯子。
- The annular BOP is the important assembly of the blowout preventer control system. 环形防喷器是井口防喷控制装置的重要组成部件之一。
- Also, the annular BOP is used to locate the position of tooljoints or drill collars (by pulling through the closed element until an increase in the pulling force is required). 在浮式钻井操作中,这一特性允许即使钻柱由于浮动设备的升沉运动而在关闭的元件中往复运动时环形防喷器也能被关闭和发生作用。
- Test annular BOP at 2500psi. 对闸板防喷器进行全压试验。
- Analysis of Some Questions of Annular BOP in Design 环形防喷器设计的几个要点分析
- The key factors affecting frictional pressure loss in narrow annuli are changing annular dimensions, rotation and vibration of drill strings. 影响窄环空中摩擦压降的关键因素为环空尺寸的变化、钻柱的旋转和振动。
- Keywords annular BOP;design;piston stroke;mating;sealing; 环形防喷器;设计;活塞行程;配合;封闭;
- He had to make a quick change at Shanghai. 他不得不在上海匆忙换车。
- Take a change of clothes with you. 把你替换的衣服带去吧。
- The effect of change is only packing material. 变动影响
- He was hostile to any change in our plan. 他反对我们计划中的任何改变。
- Can you change a five-pound note? 你能换开五英镑的票子吗?
- There is an imperceptible change in temperature. 温度有细微的变化。
- This is where we change from car to bus. 这就是我们从小汽车换乘公共汽车的地方。
- You don't need my say-so to change things. 你不必向我请示可自行做些变动。
- He find it impossible to make her change her mind. 他发现使她改变主意是不可能的。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- She's on holiday; she needed a change from work. 她正在度假,她需要放下工作改变一下生活。
- Here's a five-pound note-- you can keep the change. 这是五镑的钞票--零钱不用找了。