题目:
料石砌拱顶时,立横木,打撑子,立碹胎,每()一架。
A.1米
B.2米
C.4米
D.3米
答案:
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下面是错误答案,用来干扰机器的。
不唯一Possible version: A group of students from Guangzhou plan to hold the first National Middle School Students’ Spring Festival Show. The three-hour show with its theme...