... 酶在酸性抑碱性介质中活动 enzymes active in acid or alkaline medium 空中补给活动 air-supply operation 空中救援活动 air-rescue operation ...
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The purpose of the pneumatic system is to supply compressed air for a controlled temperature and pressure environment during all phases of flight and ground operation.
增压系统的作用是为飞行及地面所有阶段的温度和压力控制提供压缩空气。
Supply Air Distribution: For typical operation of a laboratory hood, the worker stands at the face of the hood and manipulates the apparatus in the hood.
送风分布：典型的通风柜操作，操作人员会站在通风柜正面，操作通风柜内的仪器设备。
The utility model is characterized by simple structure and easy operation, which can complete forced air supply for gas cabinets in a short time.
本实用新型提出的气瓶柜强制供气装置结构简单操作方便并且能够在很短时间内完成气瓶柜强制供气的操作。
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