关闭压力

并提出了特性曲线中对决定关闭压力的N值取值的看法。

The author also explains how to decide the N value , which affects shut off pressure , in the characteristic curve of pump .

针形阀自动关闭压力

Automatically shutting pressure of needle valve

订购电动执行器时，请根据实际需要指定阀门订购代码，关闭压力，应用环境-流体介质和安装位置方向；

When ordering electronic motor actuators , specify valve order code , shutoff pressure , service conditions-flowing media and installation direction ;

面对亚马逊（Amazon）等在线零售商带来的残酷竞争，百思买实体店的销售下滑，公司面临关闭店铺的压力。

It faces pressure to close stores as sales lag as well as cutthroat competition from online retailers such as Amazon .

当螺线管德通电，飞行员口关闭并全线压力作用于出血口通过对膜片的顶部。

When the solenoid is de-energised , the pilot orifice closes and full line pressure is applied to the top of the diaphragm through a bleed orifice .

在更换阀座镶嵌件之前，关闭流体，减轻压力。

Shut off flow and relieve pressure before replacing the seat insert .

拆卸前通常要关掉电源、关闭设备并释放压力。

Always turn off power and shut off and release pressures before disassembly .

拆卸及重装表头时，关闭电源，释放压力，并将变送器移至安全区域。

Always turn off power , release pressure and remove a transmitter to non-hazardous area before disassembling and reassmbling an indicator .