单级压缩制冷系统运行工况图中,等熵压缩曲线与冷凝压力线交点是()
参考答案:排气温度点
Complete the sentences. 听指令完成句子。
1. Her favourite colour is orange. (对划线部分提问)
______ ______ favourite colour?
2. Is this a brown cat?(改为肯定句)
______ ______ a brown cat.
3. You like white. I like white, too. (合成一句话)
We like ______ ______ colour.
边增长边分配