常見例句雙語例句We need a few pieces of expansion valve for refrigeration plant.我們需要幾個用于制冷裝置的膨脹閥。In most cases the refrigerant flow is being obstructed as moisture turns to ice at the expansion valve.最經(jīng)常的情況是,在膨脹閥處水分變成冰兒阻礙了制冷劑的流動。The high-pressure liquid refrigerant through the expansion valve, because the expansion valve throttling pressure drop, the refrigerant into normal temperature low pressure liquid.常溫高壓的液體冷媒流過膨脹閥,因?yàn)榕蛎涢y的節(jié)流作用壓力降低,使得冷媒變成常溫低壓的液體。原聲例句So the Joule free expansion involves opening this valve and asking what happens when this gas moves into the other bulb or distributes between the two.焦耳自由膨脹就是,打開閥門后的過程,氣體從一個腔跑到另一個腔,并在它們之間平均分配。麻省理工公開課 - 熱力學(xué)與動力學(xué)課程節(jié)選 返回 expansion valve