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。
To further enhance efficiency the voltage drop across the tracking regulators has been minimized.
要进一步提高效率，需最小化跟踪稳压器过程中的压降。
The temperature at each position and pressure drop across the test section were recorded three times.
每个位置的温度和测试区两端的压降各记录三次。
It keeps the voltage drop across the pass transistor more nearly constant, improving its performance.
他使调整三极管上的电压降接近稳定，改进了他的性能。
Since the voltage drop across the ammeter is negligible, essentially all the test voltage appears across R.
由于安培计上的电压降可以忽略，所以所有的测试电压都出现在电阻R上。
The VF test is performed by sourcing a known current and measuring the resulting voltage drop across the diode.
VF测试需要提供一个已知的电流然后测量二极管上产生的电压降。
The flow rate, perforation radius and shot density are the key parameters influencing the pressure drop across gravel pack.
分析结果还表明，油井产量以及射孔孔径和孔密度是影响砾石层压降的重要因素。
While two contacts supply a constant current, the other two contacts measure the voltage drop across a portion of the sample.
其中两个探针提供恒定的电流，而另外两个探针测量一部分样品上的电压降。
Since the clearance is so small, the pressure drop across the seal faces, as the few drops flow out, is equal to the pump pressure.
由于间隙很小，随极少油滴漏出，在密封面上的压降等于泵的压力。
The experimental results showed that: the uniform-pressure wind room designed can decrease the pressure drop across the distributor;
试验结果表明：所设计的等压风室利于降低布风板压降；
Measure the reverse breakdown voltage by sourcing a specified re verse current bias, then measuring the voltage drop across the diode.
通过施加规定的反向偏流，然后测量二极管两端的电压，即可测得反向偏置电流。
The resulting voltage drop across r3 will cause erroneous results when the voltmeter measures the voltage drop between probes 2 and 3.
当电压表测量探头2和探头3之间的电压降时，该交流电流在r3上产生的电压降就会引起错误的结果。
Since the leakage current through the zener diodes results in a voltage drop across the resistor, low leakage zener devices are desirable.
由于流过齐纳二极管的泄漏电流会在电阻器上产生电压降，所以希望使用低漏电的齐纳二极管。
Relationships of pressure drop across the packing zone with the apparent velocity and flooding volocity with spraying density are obtained.
找出了填料层压降和空塔气速的变化关系，泛点气速和喷淋密度的关系。
Actuator disk theory relates the pressure drop across the disk to the change in wake size and the energy which can be extracted from the wind.
促动盘理论把越过盘时的压力降与尾流尺寸的变化和能从风中获取的能量联系在一起。
Otherwise, the current drawn from the cell electrodes will cause a voltage drop across the internal resistance of the electrode and may polarize the cell.
否则，从电池电极吸取的电流将会在电极的内阻上产生电压降并可能使电池极化。
And experimental results show that the new structure microchannels can enhance heat transfer and reduce pressure drop across microchannels at the same time.
结果表明采用新型结构能在强化传热的同时降低微通道进出口压差。
Many analysts expect another 10% drop across the country, which would bring the cumulative decline in nominal house prices close to that during the Depression.
许多分析家预计，全美各地还将继续下跌10%。如此，名义房价的累计降幅将接近大萧条时期。
Crane globe valves are highly efficient for services requiring frequent operation and throttling when pressure drop across the valve is about 20% of inlet pressure.
当通过阀门的压降为管路压力的20%左右时，美国克雷恩截止阀就能够高效应用在频繁操作和节流的应用场合。
This is especially important when higher currents are used because the voltage drop across the test leads may be large compared to the voltage drop across the contact.
在使用较大的电流时，这一点特别重要。因为和接点两端的电压降相比，测试引线两端的电压降可能会比较大。
Under part-load conditions the use of a dynamic balancing valve is a more effective method to prevent a cavitation as it reduces the pressure drop across a balancing valve.
在部分负荷的条件下，利用动态平衡阀是防止气蚀的有效方法，因为它减少了通过平衡阀的压差。
The results showed that 88% of the total pressure drop across vasculature from arcuate artery fo glomeruli occurs in the interlobular artery and diameter of preglomerular microvessels.
分析小球前各段血管的压力降所占动脉总压降的比例得知：小叶间动脉占总压降的88％。肾小球毛细血管和出球小动脉亦具有较大的压力降。
Well, he would expect a general drop across the board as people experienced the shock of the housing (and stock market) crash, and consequently postponed as many purchases as they could.
他将会认为一个正常的衰退将会延续。当人们经历了房地产市场（还有股市）崩溃后的打击后，他们会尽可能推迟购买商品。
The conventional method of heat transfer enhancement for turbulent flow in tube is to increase the heat transfer area, but it will increase the pressure drop across the tube significantly.
管内湍流强化传热方法一般是增加壁面换热面积，但这会显著提高管内流动阻力。
The inlet pipe penetration into the vessel, the pressure drop across any block valves used. upstream of the venting device, and the inlet piping must be considered when determining these losses.
对与容器连通的进口管，要使用其通过阻断阀时的压力降。在确定这些压损时，必须要考虑进口管线和放空装置的上游线路。
The inlet pipe penetration into the vessel, the pressure drop across any block valves used. upstream of the venting device, and the inlet piping must be considered when determining these losses.
对与容器连通的进口管，要使用其通过阻断阀时的压力降。在确定这些压损时，必须要考虑进口管线和放空装置的上游线路。
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