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划线后检查吃水标尺至平板龙骨之间的距离。
Inspection distance between draught marks and keel plate after marking out.
youdao
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吃水标志(载重线标志)安装精确性检查。
Inspecting fitting accuracy of draught mark (loading line mark).
youdao
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吃水标志(载重线标志)安装精确性检查。
Inspecting fitting accuracy of draught mark (loading line mark).
youdao