蒸发受热面主要布置在锅壳内的锅炉称为水管锅炉。
参考答案:错
“金蝉脱壳”的壳是指( )
A.皮肤
B.甲壳
C.外骨骼
D.鳞片
Kate can play _____ piano but she can't play _____ football. [ ]
A. the, the
B. /, the
C. the, /