Fourth step, to the host pumping a vacuum, plus the amount of refrigerant oil and refrigerant.
第四步，给主机抽真空，加适量冷冻油和冷媒。
This paper designs a step forward pneumatic climbing robot by means of vacuum pads which can move on flat surfaces, especially vertical plane walls with the features of simplicity and flexibility.
本文根据真空吸附原理，采用先进的气动元器件设计一个能在垂直墙面上，通过脚步行进方式，在四个方向垂直移动的气动爬墙机器人。
The paper introduces the principle of ZK400 Vacuum RT Machines; from control pulse frequency of step-motor to adjust mixes speed of Vacuum RT Machines.
本文介绍了ZK - 400真空注型机的原理及功能，并重点介绍了通过控制步进电机的脉冲频率达到调节真空注型机搅拌速度的目的。
The process for producing the insulating steel paperboard adopts the one-step forming technology, the vacuum dehydrating technology and the high-temperature hot-pressing and drying technology.
它采用一次成型，真空脱水，高温热压干燥的生产工艺技术。
The theory of non-linear compensation, the design of structural parameter and the step of ensuring accuracy for vacuum-box-barometer are introduced in this paper.
本文介绍了遥测气压表空盒传感器的非线性补偿原理、结构多数的设计及保证精度的措施。
The final major step in fabrication of large superconducting magnet coils is vacuum pressure impregnation (VPI).
大型低温超导磁体线圈制造的最后关键的工艺是真空压力浸渍（VPI）。
This paper designs a step-forward pneumatic climbing robot by means of vacuum pads which can move on flat surfaces, especially vertical plane walls with the features of simplicity and flexibility.
设计了一种新型的吸附式爬墙机器人并制作了实物模型，通过理论计算选择所用的气动元件，并在机器人实际运动过程中得以验证和得出实验结论。
This paper designs a step-forward pneumatic climbing robot by means of vacuum pads which can move on flat surfaces, especially vertical plane walls with the features of simplicity and flexibility.
设计了一种新型的吸附式爬墙机器人并制作了实物模型，通过理论计算选择所用的气动元件，并在机器人实际运动过程中得以验证和得出实验结论。
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