Inspection distance between draught marks and keel plate after marking out.

划线后检查吃水标尺至平板龙骨之间的距离。

youdao

The plate keel to be connected firmly with stem and stern frame.

平板龙骨应与艏柱和艉框架牢固地连接。

youdao

The wire measure, keel installation, board processing and slipping glue of construction engineering outboard aluminium compound plate curtain are introduced.

介绍建筑工程外装铝复合板幕墙的放线测量，龙骨安装、板材加工及安装、注胶情况。

youdao