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。
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。
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。
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 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。
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 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。
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。
The safety valve can make the lifting fluid-pressure drive circuit of a fork lift truck or a crane obtain not only high efficiency ascending speed, but also reliable and safe descending speed.
该安全阀使叉车或起重机的起升液压驱动回路既有高效率的上升速度，又有可靠的安全下降速度。
The safety valve can make the lifting fluid-pressure drive circuit of a fork lift truck or a crane obtain not only high efficiency ascending speed, but also reliable and safe descending speed.
该安全阀使叉车或起重机的起升液压驱动回路既有高效率的上升速度，又有可靠的安全下降速度。
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