真空冷却结晶温度
vacuum-cooling-crystallization temperature
真空加热及冷却
heating and cooling in vacuum
空-空冷却式电机
air-to-air cooled machine
低真空空气测微仪
low vacuum air micrometer
喷汽真空冷冻法
steam-jet vacuum refrigeration
实验型真空冷冻干燥机
experiment vacuum freezing dryer
水喷射真空冷凝泵
water jet condensation vacuum pump
微波真空冷冻干燥
Microwave vacuum freeze-drying
油淬气冷真空炉
oil quenching gas cooling vacuum furnace
真空干燥设备和真空冷冻干燥设备
vacuum drying plant and vacuum freeze drying plant