rotating shutter

用法例句

The valve replaces gliding valve cores by rotational valve cores,changing gliding valves into rotational valves.

该阀在结构上采用转动阀芯取代滑动阀芯,变滑阀结构为转阀,有效的减少了阀的液动力,极大地提高了阀的抗污染性能;在驱动控制上采用直流力矩电机直接驱动阀芯,将对阀的控制转变为对电机的控制,易于实现阀的数字控制。

Research on NC Machining Process of Steering Brake Valve Body in SD7 Bulldozer;

关于SD7型推土机转向制动阀阀体的数控加工工艺研究

Research on NC Machining Process of Steering Brake Valve Body in SD7 Bulldozer;

关于SD7型推土机转向制动阀阀体的数控加工工艺研究

steering control valve pressure loss characteristic

转向控制阀压力降特性

response curve of steering control valve

转向控制阀灵敏度特性

internal leakage in steering control valve

转向控制阀内泄漏量

This is your" emergency brake" and your" safety valve" to protect you when the market reverses.

当市场转向时，它就是你的“紧急制动”和“安全阀”。

Effect of Geometry of Rotary Valve Orifice on Response Characteristics

转向控制阀阀口结构对灵敏度特性的影响

Positive mechanical thrust drives plug into body seats to ensure tight bi-directional line seal.

积极的机械推力驱动阀塞进入阀体阀座馁，确保紧密双向管路密封。

Easier to automate than multi-turn valves

比多回转阀门更加易于自动化控制

The end flaps of the elastomeric seat should be flexed downward toward the valve I.D. as the body halves are being separated.

当阀体分开时，弹性阀体阀座的边缘应该朝向阀门内径弯曲。

ball check valve

球形止回阀（附有球阀和阀座的阀门,液体只能单方向通过）

There shall be semi-auto change over system in the gas yard and main pressure valve and relief valves should be located outside the lab building.

安装半自动转换阀控制气瓶更换，主要的控制阀门和减压阀门都安装在实验室外。

Install valve in the direction of the flow arrows on the valve body.

按照阀体上的箭头方向安装阀门。

Gate valves serve as efficient stop valves with flow in either direction.

闸阀可作为流体双向有效的关闭阀。

3 The valve body and disc of valve shall be made of ductile cast iron.

阀门的阀体、阀板制造材料应该是球墨铸铁。

Holding the cage in one hand, push the seat inward and rotate counterclockwise against the cage.

用一只手握住阀笼，向内推阀座并顺、反时针方向旋转阀笼。

rotary starting air distributor

回转式起动空气分配阀

The development of small torque multi-turn electric valve actuator for nuclear power plants

小转矩多回转核级阀门电动装置的研制

The relief valve spring will be free inside the body at this point.

这时安全阀弹簧将在阀体自由活动。