The gas lift valve on the conventional gas lift pipe string is easy to fail and cannot be replaced in the hole.
常用的气举采油管柱存在的问题是气举阀易失效，不能投捞进行更换，严重影响管柱的效率和使用周期。
The gas lifting system is a narrow system extraordinary, including compressor unit, injection channel, lift valve and lifting passage.
气举系统是一个非常严密的系统，包括压缩机组、注入通道、气举阀和举升通道几个部分。
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。
Gass lift gas lift valve from the ground, the high-pressure gas injection Wells stop the pump, use of gas energy to lift the liquid in the wellbore, the well to restore production capacity.
气举是通过气举阀，从地面将高压气体注入停泵的井中，利用气体的能量举升井筒中液体，使井恢复生产能力。
Gass lift gas lift valve from the ground, the high-pressure gas injection Wells stop the pump, use of gas energy to lift the liquid in the wellbore, the well to restore production capacity.
气举排水采气技术是通过气举阀，从地面将高压天然气注入停喷的井中，利用气体的能量逐级举升井筒中的液体，使井恢复生产能力。
Ortherwise, the eccentric gas anchor, gas lift valve and surface check valve are installed to automatically unload the gas from the deeper layer and annulus between the tubing and the casing.
大气量时应用偏心气锚安装气举阀与地面单流阀两步卸气，实现了下部产层和油套环空自动卸气。
Gass lift drainage gas recovery by gas lift valve, from the ground to high-pressure gas injection stop injection Wells, the gas energy gradually lift shaft in the liquid, the well production capacity.
气举排水采气技术是通过气举阀，从地面将高压天然气注入停喷的井中，利用气体的能量逐级举升井筒中的液体，使井恢复生产能力。
Gass lift drainage gas recovery by gas lift valve, from the ground to high-pressure gas injection stop injection Wells, the gas energy gradually lift shaft in the liquid, the well production capacity.
气举是通过气举阀，从地面将高压气体注入停泵的井中，利用气体的能量举升井筒中液体，使井恢复生产能力。
Lift check valve with a spring load can withstand light valve flap, flap valve lift is not high.
升降式止回阀使用一个可承受弹簧载荷的轻量阀瓣，阀瓣的升程不高。
The in-line spring-actuated lift check also is referred to as the "silent check" because the spring closes the valve before gravity and fluid reversal can slam the valve closed.
由于这种止回阀能够在重力和介质倒流撞击启闭件之前关闭阀门，因此这种直通弹簧驱动升降式止回阀也称为“静音”止回阀。
Then install valve upside down for fluid to lift ball into seat.
然后倒置安装阀门，使得流体将球提升到阀座上。
Lift the lever at the top of the valve several times until valve seats properly without leaking and operates freely.
反复扳动安全阀的把手几次，直到安全阀能够正常泄水，操作灵活，并且没有泄漏。 收藏。
Check them Safety Valves belonging to this type of valve, which includes Swing check valve and lift check valve.
其中止回阀就属于这种类型的阀门，它包括旋启式止回阀和升降式止回阀。
Soft airproof main valve can obtain high airproof in the scope of over 95% lift pressure.
软密封的主阀瓣能在95%以上的开启压力范围内获得高密封度。
Pilot valve can adjust lift and close pressure solely out if main valve.
导阀可在主阀以外单独调定开启压力和关闭压力。
The formula of wax and PTC heating plates at different Curie points are the main factors influencing the enriching valve lift.
其中石蜡的配方、不同居里点的PTC加热片是影响加浓阀升程规律的主要因素。
Installations with suction lift require a good quality foot valve to avoid loss of prime - remove in-built check valve.
进水口的安装需要使用一个品质优良的底阀，以避免进水口压力损失-拆除内置式止回阀。
The needle valve lift is the important parameter.
针阀升程是柴油机燃油系统的重要参数。
Using an appropriate sized wrench, loosen the check valve cover. Unscrew the check valve cover and lift it off.
采用尺寸大小适中的扳手松开止回阀阀盖。宁松止回阀阀盖并将其取出来。
The cavitation on culvert valve of high lift lock is a knotty, wide - spread problem to be solved anxiously.
高水头船闸输水阀门空化是一项普遍存在、急待解决的课题。
Input signal of controller is solenoid valve lift. Control parameters are valve opening timing and valve open duration.
控制器的输入信号为电磁阀升程，控制量是气门开启定时和开启持续时间。
The level of valve lift check valve should be installed in horizontal pipelines.
升降式水平瓣止回阀应安装在水平管道上。
Please adjust the lift of valve plate. DLpaR.
请调节阀门开度。
A new mathematical method of valve theoretic movement rules according to the CAM lift data was introduced.
介绍了一种根据凸轮升程数据求取气门理论运动规律的计算方法。
" I am immensely proud to take pressure valve, lift the lid, and said: "Mom, try my skill.
我洋洋得意地拿掉压力阀，掀开锅盖，说：“妈妈，尝尝我的手艺。”
The signal of soil resistance sensor and the implement lift height sensor and the control-valve sensor were measured and managed. The system was under the control of the SCM.
分别阐述了自动控制系统的组成、工作原理、土壤阻力传感器、农具提升高度传感器、主控制阀位移传感器信号的测取与处理以及单片机控制的实现。
Using an appropriate sized wrench, loosen the check valve cover. Unscrew the check valve cover and lift off.
采用大小适中的扳手，松开止回阀盖。旋下止回阀盖螺丝并拿起。
Double shaft servo feed system by PLC to control accurately and automatically feed of cylinder head and valve lift.
PLC控制双轴伺服进给系统，精确自动控制缸盖进给和气门升程。
High delivery lift and high backpressure required in fuel throttle valve test were obtained through higher rotation speed of the main pump.
利用长征系列发动机主泵作为动力源，提高其转速，解决了燃料节流阀试验要求的高扬程、高背压等技术难题。
High delivery lift and high backpressure required in fuel throttle valve test were obtained through higher rotation speed of the main pump.
利用长征系列发动机主泵作为动力源，提高其转速，解决了燃料节流阀试验要求的高扬程、高背压等技术难题。
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