Instrructions for further erection activities 01 安 ...? civil work 土建工作 --base frame of p-1301a/b to be fully grouted. 完成p-1301a/b 底部 框架的灌浆 --floor completion. 结构面层完成 --floor openings have to be covered with checker plate or equipped with railings. 结构面层 开口处必须用盖板盖上或安装防护栏。 --platforms to be equipped with railings. 安装平台 防护栏。查看更多