[BV规范]
BV NR600 Hull structure and arrangement for the classification of cargo ships less than 65 m and non-cargo ships less than 90 m (November 2022 edition)2022-11
NR600 Hull structure and arrangement for the classification of cargo ships less than 65 m and non-cargo ships less than 90 m (November 2022 edition)2022-11
发表于 2022-11-29 11:54
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