Unscrew refrigerant line fastening screw for the compressor on the pressure damper.
旋下压力风门上压缩机的制冷剂管路紧固螺钉。
The system uses a vent fan, a manually adjustable backpressure damper, a differential pressure-sensing gage, and an inlet air filter high differential pressure alarm switch.
此系统用一个排气扇，手动调节反压闸，压差传感器和一个进气过滤器压差高报警开关。
Tests of pressure distribution in Squeeze film damper are performed.
对挤压油膜压力分布进行了测试。
It mainly deals with the design method and principle of fire damper, positive pressure control, ventilation of stair room and running logic of HVAC in emergence situation.
正压控制的设计原则和方法；楼梯间的通风设计以及紧急状态下HVAC系统的运行逻辑设计。
Compressible gas spring, Lockable gas spring, Balanced gas spring, Pressure adjustable gas spring, Pull Stretch gas spring, Double damping force gas spring, Double action gas spring and damper.
压缩气弹簧、角调气弹簧、平衡气弹簧、压力可调气弹簧、拉伸气弹簧、双向阻尼气弹簧、双向气弹簧、阻尼器。
Nonlinear characteristics of a hydraulic lag damper with pressure relief valves and a filling-oil device are analyzed.
分析了某采用定压阀和补油装置的液压阻尼器的非线性特性。
Nonlinear characteristics of a hydraulic lag damper with pressure relief valves and a filling-oil device are analyzed.
分析了某采用定压阀和补油装置的液压阻尼器的非线性特性。
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