计滴微量滴定法
Drop-counting microtitrimetry
超声引导麦默通Mammotome真空微创旋切系统
Ultrasound-guided Mammotome system
等效真空微电子二极管
Equivalent vacuum microelectronics diode
低真空空气测微仪
low vacuum air micrometer
发动机真空测试计
engine vacuum checking gauge
翻盘过滤机+真空过滤机
revoling leaf type filter + vacuum filter
硅凝胶真空灌封
vacuun fil ling of silica gel
罗茨水环真空机组
roots pump systems with water ring
能斯特真空量热器
Nernst vacuum calorimeter
平面平行真空微电子二极管
Plana parallel vacuum microelectronics diode
平行平面形真空微电子二极管
Plane parallel vacuum microelectronics diode
汽轮机真空系统介绍
Vacuum System of a Steam Turbine