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- The new unit adopts hollow sucker rod working with pump and as fluid passage instead of conventional sucker rod, and uses a new hanger to fix the one-piece barrel rod pump on the casing wall, improving the operation stability of the subsurface pump. 针对这种情况，大港油田新世纪机械制造有限公司研制成功一种新型无油管采油装置，这种装置以空心抽油杆代替实心抽油杆带泵工作并兼作出油流道，还通过一种新型悬挂器将整筒抽油泵固定在套管壁上，提高了抽油泵的工作稳定性。
- Stationary barrel rod pump with separately-fixed anchor and seal ring 支撑固定与密封分置的定筒杆式抽油泵研制
- Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
- A rod used to clean the barrel of a firearm. 通条用于清洁火器枪膛的棍子
- Give the table a good rub with this polish. 用这上光剂把桌子好好擦一擦。
- Anti-sand rod pump with helically-grooved barrel. 泵筒带螺旋槽的新型防砂卡抽油泵。
- He had polished the table-top until it gleamed. 他把桌面擦得很亮。
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- He polished off the pie and the fruit. 他很快吃完了馅饼和水果。
- Peter had his head in a tar barrel sure enough. 不出所料，彼得陷入了困境。
- His shoes were always well polished. 他的鞋总是擦得乾乾净净。
- His speech was always polished to a nail. 他的发言总是要经过仔细润色的。
- I bought a new fishing rod last Sunday. 上星期日我新买了一个鱼竿。
- The worker repaired the barrel with a hoop iron. 这个工人用一个铁箍修桶。
- Don't smear the lens; I've just polished it. 别把镜头弄脏了，我刚刚擦过。
- He made a barrel with staves by himself. 他自己用桶板做了一只桶。
- It's an honest book but it hasn't been polished. 这本书写得真诚坦率，但还未经润色。
- He polished off the meal and hurried out. 他匆匆吃完饭，就冲出去了。
- He drew off a pint of beer from the barrel. 他从酒桶里抽出一品脱啤酒。
- I polished my shoes to give them a gloss. 我擦了皮鞋使其光亮。
