pressure screw extractor 螺旋压榨机
static pressure pile extractor 静压力拨桩机
high pressure Soxhlet extractor 高压索氏萃取器
Air accumulation in the condenser owing to insufficient output of air extractor can increase the terminal temperature difference and the air pressure component.
抽气器出力不足而引起的空气在凝汽器内积聚，使得凝汽器端差和空气分压力均增大，对凝汽器真空造成双重影响。
The paper introduces the hard ware composition and soft ware design of computer control system of spark frequency of high pressure static dust extractor.
本文介绍了高压静电收尘器火花频度计算机控制系统的硬件组成和软件设计。
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