搜题请搜索小程序“爱下问搜题”
问题
填空题
反应器各路注汽中使用过热蒸汽的有()和()。
答案
参考答案:
汽提蒸汽;预提升蒸汽
选择题
—I'm sorry, this kind of PSP is too expensive. I can't afford _____ it.
—It's OK.
A. buy
B. bought
C. to buy
D. buying
查看答案
判断题
使用连续式平整度仪法,在选择测试路段的路面测试地点与3m直尺法相同。( )
查看答案