扫码关注公众号
+
类别:资料发布时间:2021-12-03
Dt(mm)120°基座180°基座管基尺寸纵向钢筋(单层)截面面积管基尺寸纵向钢筋(单层)截面面积C1C2a=C1BC1C2a=C1B300401001151005803-Ф80.0869151001901005803-Ф80.111523400601001601007203-Ф80.1164451002601007203-Ф80.153068500601001851008204-Ф80.1331151003101008204-Ф80.185323600601002101009204-Ф80.1495521203601209604-Ф80.2573287007010524510510504-
标签: 其他机电资料
类别:问答发布时间:2021-11-30
类别:规范实施时间:2014-10-01
标签: 机械行业标准(JB)