Frame spacing, stringers and tripping bracket arrangement as per actually applicable classification rules.

肋骨间距，纵桁和防颤肘板布局依照实际可用的船级社规范。

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Frame spacing, stringers and tripping bracket arrangement as per actually applicable classification rules.

肋骨间距，纵桁和防颤肘板布局依照实际可用的船级社规范。

youdao