... erection loop 安装环 erection mark 装配证号 erection of house frame 房屋构架架设 ...
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mark at erection position 安装地点标识
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The stripe coat must be applied prior to full coat on the erection joints, marker of tanks, water line, draft mark, ship name and port register etc of shell plate.
外壳上的焊缝、舱室标记、水线标记、水尺、船名、港籍名等每一度涂层施工前均要做预涂；
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