Read the pressure drop across the valve with a Watts Series PG meter.

利用美国瓦茨系列PG仪器读出通过阀门的压降。

In the past two years, the LCD panel prices drop across the annual 35%.

在过去两年里，LCD面板价格每年降幅越过35%。

They also limit the voltage drop across the igniter during continuity testing.

他们也限制了压降引爆器的过程中的连续性测试。

Should be larger port area to ensure less friction and pressure drop across the valve.

较大开口区域应保证通过阀门较小的摩擦力和压力降。

The amount of voltage used up for each resistor is called the voltage drop across that resistor.

每一电阻所消耗的电压量称为该电阻上的电压降。