The pressure control systems provide cabin differential pressure by controlling the outflow of air from the faselage.
压力控制系统通过控制机外气流来提供客舱压力差。
The well support division makes electric submersible pumps, wellhead pressure control systems and information logging systems.
油井支持部门能制造电动潜水泵，水源压力控制系统和信息记录系统。
Typical applications include air conditioning control systems, air flow control measurements, and positive air pressure control systems.
典型应用包括空调控制系统，气流控制测量，正空气压力控制系统。
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