单选题
635.用于指示气源系统的温度和压力的部分。包括温度和压力警告系统。( )
A
That portion of the system which is used to indicate temperature and pressure of t he pneumatic system. Includes temperature and pressure warning systems.
B
The part used to indicate the temperature and pressure of an air source system. Mainly temperature and pressure warning systems.
C
A unit used to indicate the temperature and pressure of an air source system. Includes temperature and pressure sensors.
答案解析
正确答案:A
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