Connect the vacuum pump to the compound pressure gauge; open the compound pressure gauge and vacuum pump to vacuum the indoor unit and connecting pipe.
将真空泵连于复合压力表，打开复合压力表和真空泵对室内机和连接管抽真空。
We developed the ground VUV simulation facility for the research of vacuum ultraviolet irradiation and the compound effect of vacuum ultraviolet radiation with other space environments.
为开展真空紫外辐射及真空紫外线与其它空间环境复合效应的地面模拟实验，研制了真空辐照模拟设备。
In this paper, the security of low salty dry-cured meat was studied by using low-temperature, compound curing agent, desiccation, vacuum packing and fermenting maturation technology.
采用低温、复合腌制剂、干燥、真空包装、发酵成熟等工艺过程，进行低咸度腌肉制品安全性研究。
The vacuum system USES a compact vacuum pump group and compound gauges with wide measuring range and good hermetization.
真空系统采用复合真空计及真空机组，测量范围宽、设备紧凑、密封性能好。
In this paper an arc voltage-power compound control system was proposed for developing a vacuum spinning consumable electrode powder making furnace.
本文结合我院研制的旋转电极制粉炉，提出了弧压-功率复合控制自耗电极位置的方案。
Vacuum pump is a vacuum distillation of the core of the compounds according to the boiling point to be distilled and compound use, choose the appropriate pump.
真空泵是减压蒸馏的核心部分，根据待蒸馏化合物的沸点和化合物的用途，选用适当的真空泵。
This series vacuum packing machine pumps very strongly, can seal all kinds of plastic bags, such as common bag, compound bag, aluminium foil compound bag, etc.
该系列小型真空包装机具有超强抽真空能力，能对各种塑料袋(普通胶袋、复合袋、铝箔袋…)进行封口。
This paper introduces the operational principle, application and performance of vacuum pressure compound air pumps, and analyzes the influence of its construction and parameters on its performance.
本文介绍了新型真空压力复合气泵的工作原理，应用及其性能，并分析了它的结构及参数对其性能的影响。
Determination of free water for compound fertilizers is usually applied Karl Fischer method or vacuum oven method, a different extraction solvent can selected as Karl Frscher method is applied.
复混肥料中游离水含量的测定方法通常采用卡尔·费休法或真空烘箱法，用卡尔·费休法测定时又可选用不同的萃取剂。
An experimental research has been taken on heat efficiency, startup behavior, isothermal characteristics of a vacuum phase change heating system using a new kind of compound working medium.
利用新型复合工质对真空相变供热系统进行了热效率、启动特性、等温特性的实验研究。
The operating principle of Sunshine is to used vacuum to suck the high temperature oil through the strong sorption filter compound and perfect porosity filter paper .
中天牌煎炸油过滤机利用真空抽吸的原理，让高温煎炸油通过吸附力极强的助滤剂和孔隙率极高的过滤纸。
The operating principle of Sunshine is to used vacuum to suck the high temperature oil through the strong sorption filter compound and perfect porosity filter paper .
中天牌煎炸油过滤机利用真空抽吸的原理，让高温煎炸油通过吸附力极强的助滤剂和孔隙率极高的过滤纸。
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