当凝结水管末端出水温度低于()时,可不设疏水器。
A.100℃
B.90℃
C.80℃
D.60℃
参考答案:C
解析:
当凝结水管末端出水温度低于80℃时,可不设疏水器。
(2013·安徽高考)________ in the early 20th century, the school keeps on inspiring children's love of art.
A.To found
B.Founding
C.Founded
D.Having founded
有头疽的引流切口常为()
A.横行切口
B.纵形切口
C.十字切口
D.对口引流切口
E.顺皮纹切口