对国产浅冷装置制冷负温没有影响的是（）。
A.压缩机出口温度
B.空冷器出口温度
C.水冷器出口温度
D.外输气温度
参考答案：D
劣质煤包括哪些品种煤？
根据句子意思用括号中所给汉语提示或英语单词的适当形式填空。
1. It is my grandfather's ______ (ninety) birthday today
2. He looks _________(smart) than his sister.
3.________ (final), he arrived in Beijing.
4. Every year I buy a lot of _______(stationery) for my daughter.
5. We all want to know different lifestyles in different _________(国家)
6. Living in a ________(wood) house is a comfortable thing , I think.
7. Paris is the ________(首都) of France.
