能够两人并行的通行区域宽度一般为
A.780~900mr
B.900~1000rmn
C.1000~1100mm
D.1220~1520mm
正确答案是D
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/1067434.html
上一篇:Alice and Mary waited breathlessly for the announcement, ()she had won the award.
Alice and Mary waited breathlessly for the announcement, ()she had won the award.
下一篇:某研究者用自己编制的智力测量量表测量了某小班30名幼儿的智力发展状况,这种测验是标准化测验。