self-draining lifeboat

基本解释自泄水救生艇

网络释义

1)self-draining lifeboat,自泄水救生艇2)self bailing boat,自动泄水救生艇3)free fall lifeboat,自由落水救生艇4)self-baling boat,自排水救生艇5)self-propelled lifeboat,自航救生艇6)crash boat,水上救生艇

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