負壓

In a sentence

• 房间里的空调系统使用了负压原理来确保空气的高效流通。

  The air conditioning system in the room utilizes the principle of negative pressure to ensure efficient air circulation.

  In this sentence, '负压' represents the concept of negative pressure as a principle or mechanism applied in air conditioning systems.

• 医生在手术过程中使用负压设备来清除患者体内的多余液体。

  The doctor used a negative pressure device during the surgery to remove excess fluids from the patient.

  Here, '负压' refers to a vacuum-like device that operates using negative pressure for medical purposes.

• 工厂的废气处理设备通过负压系统将有害气体清除出去。

  The factory's exhaust processing equipment uses a negative pressure system to expel harmful gases.

  In this context, '负压' indicates a technological implementation within an environmental management system that utilizes negative pressure to manage waste gases.