The Model 1600a precision vacuum regulator features control sensitivity of 1 water column and a balanced supply valve for high precision.
示范1600a精密真空调节器控制1敏感性水柱和高精度供求平衡的阀门。
The gravity of this water column continuously produces the vacuum and so a vacuum pump is not needed.
水柱的重力不断地引起真空，所以真空管是不需要的。
A vacuum distillation column relates to a sulfolane distillation device in equipment for producing sulfolane.
真空精馏塔涉及一种生产环丁砜设备中的环丁砜精馏装置。
The utility model relates to a rotary-vane vacuum pump, which provides a column spiral torsional spring which is used for replacing a column spiral compressing spring.
本实用新型涉及旋片式真空泵，提供一种圆柱螺旋扭转弹簧，用它取代圆柱螺旋压缩弹簧。
The utility model relates to a rotary-vane vacuum pump, which provides a column spiral torsional spring which is used for replacing a column spiral compressing spring.
本实用新型涉及旋片式真空泵，提供一种圆柱螺旋扭转弹簧，用它取代圆柱螺旋压缩弹簧。
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