压缩机是制冷系统中重要设备,其主要设备是:()
A、将气体冷却成凝体
B、吸收库房热量
C、压缩和输送气体
参考答案:C
— Can I help you with it?
— I appreciate your ________, but I can manage it myself.[ ]
A. advice
B. question
C. offer
D. idea
可用健康体检代替职业健康检查。