单词	落葉之時
释义	同DEFOLIATION
随便看	liquid-filled pressure vacuum breaker liquid-filled radiator liquid-filled shielding window liquid filled thermometer liquid-filled thermometer liquid-filled transformer liquid filler liquid film liquid film coefficient liquid film contactor liquid film developer liquid-film lubrication liquid film plutonium content meter liquid film resistance liquid film separation liquid-film technique liquid filter liquid fire liquid fire extinguisher liquid flame hardening liquid floated gyroscope liquid flotation liquid flow liquid flow counter liquid-flow counter