题目内容
(请给出正确答案)
[单选题]
配置强度等级c50及以上预应力混凝土时,粗骨料最大公称粒径不应大于()mm
A.35
B.30
C.25
D.20
提问人:网友lixin080108
发布时间:2022-01-07
A.35
B.30
C.25
D.20
B.shepard
C.suitor
D.null
B.he had never been completely happy with the decision to charge for the jacket
C.he was afraid that the grandfather might complain
D.he had been persuaded to do so by the Board
此题为判断题(对,错)。
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