高真空泵
high vacuum pump; molecular pump; Sprengel pump
高真空抽气机
high-vacuum pump
高真空阀
high vacuum valve
高真空绝热
high-vacuum insulation
高真空开关管
high-vacuum switching tube
高真空蒸发器
high vacuum evaporator
高真空整流管
high-vacuum rectifer
高真空整流器
high-vacuum rectifier
高温密封
elevated-temperature seal
高压密封法
pressurization
供给密封
supply to seal
管道连接密封
sealing for tubing joints
管道密封
seal for pipe joints
管接头密封
pipe seal
固定式真空吸尘器
installed vacuum cleaner
海瓦克真空泵
Hyvac pump
高铅酸钾
potassium plumbate
高铅酸钠
sodium plumbate; sodium plumbate(IV)
高铅酸盐
plumbate
高嵌体
onlay; overlay