Double pipe with hydraulic brake system vacuum booster.
双管路液压制动系统带真空助力。
The vacuum system process of PET unit, the design of EG steam ejector shape and support, the selection of support spring and the main points in the ejector pipe design are introduced.
介绍聚酯装置的真空系统的流程、 乙二醇蒸气喷射泵的外型型式设计、 支座设计、支座弹簧选择及乙二醇蒸气喷射泵配管设计中的要点。
A corrugated pipe and a push-button switch are used for detecting the vacuum degree in the box and for switching off or switching on a vacuum system.
波纹管和按钮开关用以检测箱内的真空度、关断或启动真空系统运作。
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