单选题
1分
_____ is the core component parts of FOPX type oil separator control system in which EPC-400 control...
_____ is the core component parts of FOPX type oil separator control system in which EPC-400 controller is used.
参考答案: B
参考解析: EPC - 400控制器的核心部件FOPX式油分离器,EPC - 400控制系统中控制器使用。