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- the oil pumping machines 抽油机
- It is based on nonlinear homotopic BP neural network with nonlinear normalization method to identify the oil pumping model, and the genetic algorithm to optimize the downtime. 利用非线性规范化方法的非线性同伦BP神经网络对采油模型进行辨识，采用遗传算法优化停机时间。
- The oil pump should be close to the oil tank as possible as it can, the suction height should be no more than 500mm. 油泵应尽量接近油箱,吸入高度不得大于500毫米。
- The oil pump should be firmly fixed; the inlet and outlet pipe should be fastened without loose. 油泵应牢固地加以固定,进出口管接头,不得有松动现象。
- The oil pump in the lubricating system draws oil from the oil pan and sends it to all working parts in the engine. 润滑系统中的机油泵从油底壳抽取油并把油输送到发动机内全部正在工作的部分。
- To evaluating the reliability of ECU, actual control test was carried out on the oil pump test bed. 为了验证电控单元实际工作的正确性，对电控单元在油泵试验台上进行了实际控制过程的试验。
- External components for the oil pump pressure lubrication oil lubrication system of forced circulation type. 外部零件润滑为油泵压力供油强制循环式润滑系统。
- The oil tanker soon got out of sight. 油船不久就看不见了。
- In order to solve the problems of long-term light-load and idle pumping that many oil wells faced, a control system to operate the oil pump intermittently was developed. 摘要为了解决部分抽油机“长期相对轻载”和“空抽”的问题，采用抽油机间歇采油控制方法对采油控制系统进行了设计。
- The recession trod on the heels of the oil crisis. 经济萧条紧随着石油危机而来。
- The oil is leaking out from the crankcase. 没已从曲轴箱中漏出来。
- In order to solve the oil pumping pole corrosion preventing, we proposed carries on the method using the induction heating to the oil pumping polewhich epoxy resin painting solidifies. 为解决抽油杆的防腐蚀，我们提出利用感应加热对抽油杆进行环氧树脂涂敷固化的方法。
- Half the oil in the lamp had burnt away. 油灯中一半的油已经烧掉了。
- May divide into the water pump, the oil pump and the sludge pump according to the transportation liquid nature and so on. 按输送液体的性质可分为水泵、油泵和泥浆泵等。
- An oil well blew out in the oil field. 油田里有一口油井发生井喷。
- The oil paintings are backed up with slats. 这些油画是用细木条做背衬的。
- He was dismissed from the oil refinery. 他被那家炼油厂解雇了。
- In the combination splash and pressure feed lubricating system, an oil pump takes oil from the oil pan and forces it through holes drilled in the engine block and crankshaft. 在飞溅与压力结合式送油润滑系统中;油泵从油盘中把油抽上来并压入发动机机体上和曲轴上的油道中.
- A Kind of Long- Strike Oil Pumping Machine Using Planet- Gear 一种行星齿轮长冲程抽油机的换向机构研究
- He was told to have an eye to when the oil ran out. 他被告知得注意着石油何时用完。
