chief mate- self-propelling dredger
自航式挖泥长 Dredger Captain- self-propelling dredger 自航式大副 Chief Mate- self-propelling dredger 自航式大管輪 First Engineer- self-propelling dredger ..
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chief mate- self-propelling dredger
大副-自航挖泥船
以上为机器翻译结果，长、整句建议使用 人工翻译 。