vertical keel plate 竖龙骨板
plate keel 平板龙骨 ; 平面舱壁
FLAT KEEL PLATE KEEL 平板龙骨
flat plate keel 平板龙骨
keel flat plate 龙骨板
double-plate keel 双层板龙骨 ; 组合龙骨
single plate keel 单板龙骨
dish plate keel 凹形平板龙骨 ; 龙骨板
Thickness of plate keel 平板龙骨板厚度
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。
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。
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。
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