竖炉烘炉前,竖炉所有的水梁,水箱都必须通上(),并必须保()证畅通。
参考答案:冷却水;进、出水
— Does the idea of working abroad________you?
— Yes.But I have no chance. [ ]
A. lead to
B. adapt to
C. appeal to
D. contribute to
大体积混凝土施工,应控制内外温差,内外温差应()。
A.不大于10°C
B.>15°C
C.>20°C
D.>25°C