...电弓；气动抬升力；交变压力[gap=1583]Key words: high-speed train; tunnel; pantograph; air lift force; alternating pressure...
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alternating pressure pad 变压垫 ; 释义变压垫
alternating-pressure process 频压法
alternating pressure mattresses 气垫床褥
alternating pressure process 加压真空交替法
alternating pressure air mattress 变压气垫
alternating-pressure method 频压法
alternating pressure and non-pressure flow 管道明满流
Servo control alternating pressure test will be the trend of alternating pressure test in nation and abroad.
伺服控制型文变压力试验机将成为国内外交变压力试验机的发展趋势。
It introduced the principle of alternating pressure caused by particle vibration, when ultrasonic propagating in liquor medium.
介绍了利用超声波在液体介质中传播，使质点产生强烈振动而引起交变压力的原理。
Objective to observe the clinical effects of alternating pressure relief bed mattress in the prevention of pressure ulcer (PU), and to explore the best method for application of the bed.
目的观察波浪床对高危患者压力性溃疡(PU)发生的预防作用，探索波浪床的最佳临床使用方法。
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