【名词&注释】
设定值(set value)、继电器(relay)、故障指示灯(trouble lamp)
[单选题]丙烷机安全设定值菜单()功能是丙烷机出口压力高安全设定值,报警值240PSI,关断值250PSI,复位值240PSI
A. A、LO OIL INJECTION TEMPERATURE B. B、HI OIL INJECTION TEMPERATURE C. C、LO SUCTION PRESSURE D. D、HI DISCHARGE PRESSURE