求一篇关于抽油机的英文文献和译文 1,overview of extracting oil pumping unit is a kind of machine equipment,commonly known as\"KeTouJi\",through the way of oil pressure out well.Unit 2,working 。
抽油杆接箍海关编码 根据机械零件来归类 参考税号84314310.00 石油或天然气钻探机用零件
英语翻译关于抽油机井管杆偏磨的,相关内容也可
英语材料翻译,工科、石油类 Conventional beam pumping unit is operating in the oil fields are the most common rod,the most extensive application of a ground power equipment.The power machine of high-speed rotation,low-speed through the gear box into the crank rotation,achieved through the four-bar linkage suspension up and down reciprocating motion of the rope,hanging rope through the drive rod,pump to achieve the lifting of crude oil.The product has reasonable structure,smooth,low noise,easy maintenance,etc.;hold the brake with external structure,with a safety device,flexible operation,the brake quickly,safe and reliable.希望能够帮到你