题目内容

2.简述系统不制冷故障诊断与排除方法。

查看答案

搜索结果不匹配？点我反馈

更多问题

My house _________ two floors and a garden.

A. has
B. have

The main rooms of my house __________ large.

A. is
B. are

Linda and Mary __________ come.

A. has
B. have

One of my friends __________ invited me to dinner.

A. has
B. have