选择题:the fact()we may not be able to directly assist yo

题目内容:
the fact()we may not be able to directly assist you does not mean your complaint isn.t valid.
(A) which
(B) whom
(C) who
(D) that
参考答案:

按照经济电流密度选择导体截面,可使导体的年计算费用最低,但在导体运行时可能超温。

按照经济电流密度选择导体截面,可使导体的年计算费用最低,但在导体运行时可能超温。

查看答案