pressure cap压力帽pressuren.压强；压力；压迫v.施压pressure cone apex压力点pressuretide gauge压力验潮仪pressure exchanger压强交换器Pressure pulsating压力脉动pressure refueling压力加油pressure algometer压痛计pressure waistcoat加压背心, 代偿背心pressure resistantadj.承受住一定压力的pressure of events逼人的形势pressure evolution压力演化

1. A silicone oil bubbler provides a positive gas pressure head inside the growth tube at all times.
   硅酮油起泡器能始终在生长管内产生一正气压位差。