The thesis studies mainly the drive and control technique of aeronautic linear DC step motor(LDCSM) used in emergency discharging oil valve on airplane.
本文针对“十五”航空基金项目—新型航空用直线直流电动机驱动控制系统，研究了飞机应急放油阀用航空直线步进电动机的驱动控制技术。
If the 450-ton valve at the wellhead can be turned on, the oil flow should stop, and the spill could be ended quickly.
如果井口450吨重的阀门可以可以关上，油流就可以停止，那么溢油很快就可以停下来。
The oil stored in tanks in a former refinery was sabotaged when someone opened the main valve.
有人打开了石油的主要阀门，导致油厂内的石油倾泻而出。
Police say the saboteur must have had a working familiarity with the refinery to be able to open the tank's main valve and send tons of oil pouring out.
警方表示，嫌疑犯熟悉油厂事务，而且能打开阀门，让好几百万吨的石油哗啦啦的流走。
Most of the thick oil at startup actually goes through the bypass valve back to the engine oil sump and not into your engine oil ways.
大多半厚(粘稠)的机油在启动时实际上通过旁支泄压阀又流回到油底壳而不能进入策动机油道。
Exceptional thermal stability and oxidation resistance prevents in-service oil degradation which contributes to filter blocking and sludge formation in the oil galleries, crankcase and valve train.
优异的热稳定性和抗氧化性防止在职石油降解这有助于阻止和污泥过滤器在石油画廊，曲轴箱和阀门列车编组。
After a considerable period of time, oil, gas and other PCV valves in its internal deposition, PCV into clay colloid valve jam, thereby improving the crankcase internal gas pressure.
天长日久，机油、汽油及其它浓缩物在PCV阀内部沉积成油泥胶体，造成PC V阀堵塞，从而提高了曲轴箱内部的气体压力。
The fitting of a heavy, three valve-cap on the Macondo oil well on July 15th marked the opening of just such a new act in the drama of the Deepwater Horizon, its loss and its aftermath.
7月15日，Macondo（马贡多）油井装上了一个沉重的三阀井盖，标志着深水地平线号这场戏剧（包括损失和后果）新的一幕的开始。
An often overlooked function of oil is ring and valve sealing.
一个经常被忽视的功能是环和油阀密封。
According to this problem, casing oil stolen prevention sealing valve was developed, matching with down-hole oil-gas separator and gas lift valve lift technology.
针对这一难题，研制了套管防盗油密封阀，并配套应用了井下油气分离器与气举阀助流举升工艺技术。
Intelligent valve is attached for the regulation of oil pressure flow.
配置智能阀，可自动调节油压流量；
The international famous brand development, the proportion of oil pump valve, solenoid valve, hydraulic parts, hydraulic control function is good.
选用国际知名品牌油研的油泵、比例阀、电磁阀等液压配件，良好的液压功能控制。
The fracture surface of a failed injection valve nut of diesel engine high pressure oil pump was investigated by visual and SEM.
对断裂的汽车柴油机高压出油阀紧座的宏观、微观断口及显微组织进行了研究。
This valve is ideal for use on pressure and flow control applications within the oil and gas production industry.
此阀是理想的压力和在石油和天然气生产行业的流量控制中的应用。
Oil reducing valve belongs to the pilot valve piston valve.
进口油用减压阀属于先导活塞式减压阀。
Crack resistant valve can prevent the oil pipe rupture resulting in table control falling accident.
防裂阀可防止油管破裂导致工作台失控下降的事故。
Whenever the oil pressure exceeds the maximum pressure, the regulator valve opens to reduce the pressure.
每当油压力超出最大压力时，打开调节阀，以减少压力。
The increased temperature influences greatly on reliability of seal and system when shock absorber is working, the mechanism of heat generation when oil passes damping valve is analyzed.
针对减振装置工作时温升对密封件及系统可靠性影响较大的问题，分析了油液通过阻尼阀生热的机理。
If the input air quality is poor, can cause electromagnetic valve, the valve core oil pollution within the open mouth can't completely, the difficult open.
如果输入空气质量差，会造成电磁阀内产生油污，阀芯开启困难，阀口不能完全打开。
The model of power bond and mathematics of driving and driven pulley oil vat, PWM fast electromagnetic valve is built.
建立了主从动带轮油缸、高速开关阀的功率键合图模型、数学模型。
Introduces technical characteristics, structure and working principle of oil automatic cut off drainage valve, discusses the application of the valve in oil tanker areas.
介绍自动截油排水阀的技术特点、结构和工作原理，探讨该阀在油品罐区中的应用。
According to the consumed amount of oil of the valve and pump as well as the main engine, the dynamic pipe system is designed with PLC in this paper.
应用可编程控制器技术，根据轮机模拟器图解板上的各阀、泵以及主机耗油量的大小，对流动光带进行了有效的动态显示。
A calibration valve oil for hydraulic shield safety valves was formulated by a base oilobtalned from the distillate of a deep-refining paraffinic crude with qualified additives.
以深度精制的石蜡基馏分油为基础油，添加具有改善油品性能的添加剂研制了液压支架安全阀校阀油。
Pressure governor valve is composed by governing valve, oil, water separation devices and a combination of one - way valves, etc.
调压阀是由调压阀、油水分离器及单向阀等构成的一个组合阀总成。
Being directed against difficult disassemble of unilateral valve from oil isolated mud pump, a simple and effective tool for repairing of unilateral valve is designed.
针对油隔离泥浆泵单向阀拆卸难的情况，设计了简单有效的修复单向阀的工具。
This paper introduces the cause of the seepage in valve box of oil isolation pump, and solves the problem of the valve box seepage by way of the improvement of die slot in O - ring and seal material.
本文介绍油隔离泵阀箱渗漏的原因，能过对阀盖O型圈沟槽的改进及采取乐泰密封胶替代牛油盘根进行密封，解决了阀箱渗漏的问题。
This paper analyzes the quick oil-discharge valve in shift clutches of bulldozer, derives the general formula and compares it with other calculation methods.
本文对换档离合器中快速排油阀进行了分析，推导出普遍适用的计算公式，并与其它计算方法进行了比较。
With this method, the impact of temperature control valve on oil temperature was analyzed and the system transient temperature prediction method was established.
应用本文的计算模型分析了温控活门对滑油温度的影响，并建立了预测燃、滑油瞬态温度值的方法，为发动机的安全运行提供了指导。
With this method, the impact of temperature control valve on oil temperature was analyzed and the system transient temperature prediction method was established.
应用本文的计算模型分析了温控活门对滑油温度的影响，并建立了预测燃、滑油瞬态温度值的方法，为发动机的安全运行提供了指导。
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