nkk

nkk

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• 网络日开(nikkai)；日本钢管；日本船级社(Nippon Kaiji Kyokai)

例句

CAPT: This one is a copy and the original booklet is kept by Chief Officer. It has been approved by NKK.

这是副本，原件由大副保管，已经被NKK船级社认可了。