Schematic symbols of aircraft environmental control systems
全国航空器标准化技术委员会(SAC/TC 435)
本标准规定了航空器环境控制系统中基础部件所用图解符号的一般要求及图解符号。
本标准适用于绘制航空器环境控制系统原理图，也适用于绘制该系统或附件地面试验原理图。
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