The analyses for wave connection forces are one of key technique to the tug-barge unit connected by three pins .

波浪系结力的预报研究是三销式推驳船组的关键技术之一。

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The analyses for wave connection forces are one of key technique to the tug-barge unit connected by three pins .

波浪系结力的预报研究是三销式推驳船组的关键技术之一。

youdao