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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. 對有桿抽油泵泵閥運動(dòng)規律的研究和確定抽油泵泵閥筒內液體壓力的分布是提高抽油機井系統效率研究的關(guān)鍵性課題。
- liquid instantaneous pressure in the pump barrel 泵筒內瞬時(shí)壓力
- Boronizing of inside surface of subsurface pump barrel 抽油泵泵筒內表面滲硼組織與性能研究
- The mechanical analysis on axial bending of pump barrel 有桿泵泵筒的縱向彎曲機理分析
- Chock the barrel up or else it will roll over. 用楔子塞住圓桶,不然它會(huì )滾過(guò)去。
- What is the volume of this barrel. 這個(gè)桶的容積是多少?
- The beer comes out of the barrel under pressure. 啤酒受到壓力從桶中流出。
- 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條的研制與應用
- The volume of this container is 20 cubic meters. 這個(gè)集裝箱的體積是20立方米。
- This volume is foxed on the flyleaf. 這卷書(shū)的空白頁(yè)發(fā)黃了。
- The worker repaired the barrel with a hoop iron. 這個(gè)工人用一個(gè)鐵箍修桶。
- The store- room be400 cubic feet in volume. 這庫房的容量是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 抽油桿泵筒內流體壓力變化規律
- The liquid was 5 litres in volume. 該液體的體積為5升。
- He drew off a pint of beer from the barrel. 他從酒桶里抽出一品脫啤酒。
- The volume of trade with Japan has increased. 與日本的貿易額增加了。
- One rotten apple spoil the whole barrel. 一只爛蘋(píng)果，糟蹋一整籮。
- Don't play your radio at full volume. 不要把收音機開(kāi)到最大的音量。
