蒸发温度-15℃,冷凝温度30℃,吸气温度15℃,过冷温度25℃指的是()工况.
A.空调
B.冰箱
C.标准
D.最大轴功率
参考答案:C
two exams to worry about, I have to work really hard this weekend.
A.With
B.Besides
C.As for
D.Because of
读者未能在邮局规定的截止收订日期中预订到报刊,中途要求订阅的,邮局应予接受。(1分)