氦
helium
helium
He; helion; helium
氦光电离检测器
helium photoionization detector
氦弧焊
heliarc welding; helium arc welding
氦化汞
mercury helide
氦化物
helide
氦冷冻机
helium refrigerator
氦离子
ionized helium
氦氖激光器
He-Ne laser
氦氖里射
he-ne laser
氦质谱探漏仪
helium leak detection mass spectrometer
高速显字管
compositron
高位气管镜检查
peroral tracheoscopy
高位气管切开术
superior tracheotomy
高温瓷套管
high temperature porcelain bush-ing
高压管法兰
high-pressure pipe flange
高压管路
pressure duct
高压整流二极管
kenotron
高真空开关管
high-vacuum switching tube
高真空整流管
high-vacuum rectifer
睾丸输出小管
ductuli efferentes testis; Graafian vessels