蒸發(fā)的物質(zhì)能再凝結(jié), 形成新的粒子.Evaporated material can recondense, forming new particles.吸氣離子泵通過剩余氣體與蒸發(fā)的金屬之間的化學(xué)反應(yīng)減少了內(nèi)腔的壓力.Getter - ion pumps decrease chamber pressure by chemical reaction of residual gases with an evaporated metal.它通...