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- It is the key study how to make sure the pressure distribution of liquid in the pump barrel and to study the pump valve-ball's movement to improve the systematic efficiency. 对有杆抽油泵泵阀运动规律的研究和确定抽油泵泵阀筒内液体压力的分布是提高抽油机井系统效率研究的关键性课题。
- liquid instantaneous pressure in the pump barrel 泵筒内瞬时压力
- Boronizing of inside surface of subsurface pump barrel 抽油泵泵筒内表面渗硼组织与性能研究
- The mechanical analysis on axial bending of pump barrel 有杆泵泵筒的纵向弯曲机理分析
- Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
- What is the volume of this barrel. 这个桶的容积是多少?
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Peter had his head in a tar barrel sure enough. 不出所料，彼得陷入了困境。
- Development and application of whet-slate used for machining pump barrel 抽油泵泵筒加工用珩磨砂条的研制与应用
- The volume of this container is 20 cubic meters. 这个集装箱的体积是20立方米。
- This volume is foxed on the flyleaf. 这卷书的空白页发黄了。
- The worker repaired the barrel with a hoop iron. 这个工人用一个铁箍修桶。
- The store- room be400 cubic feet in volume. 这库房的容量是400立方英尺。
- He made a barrel with staves by himself. 他自己用桶板做了一只桶。
- Study on the variation regularity of fluid pressure in a pump barrel 抽油杆泵筒内流体压力变化规律
- The liquid was 5 litres in volume. 该液体的体积为5升。
- He drew off a pint of beer from the barrel. 他从酒桶里抽出一品脱啤酒。
- The volume of trade with Japan has increased. 与日本的贸易额增加了。
- One rotten apple spoil the whole barrel. 一只烂苹果，糟蹋一整箩。
- Don't play your radio at full volume. 不要把收音机开到最大的音量。
