题干

As _______ general rule, the working temperature of the installation (设备) is _______ more important consideration than the working pressures.
A.a; /B.the; /C.the; aD.a; a
上一题 下一题 0.4难度 单项选择 更新时间:2012-07-10 10:13:32

答案(点此获取答案解析)