题目内容

公称直径6~25mmHRB400的弯芯直径为4d。()

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Welcome to our house! I’ll have Hudson you around in a minute.

A. show
B. to show
C. showing
D. showed

高分子防水材料:片材的分类有均质片、复合片和点粘片。()

热轧带助钢筋的取样数量为拉伸试验2根,弯曲试验2根。()

Excuse me, what time is it your watch?

A. to
B. by
C. on
D. with

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