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In effect she was a mobile floating drydock, capable of servicing two full-size U-boats side by side.
事实上她是一艘移动船坞,可以一次为两艘U艇进行补给。
youdao
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In effect she was a mobile floating drydock, capable of servicing two full-size U-boats side by side.
事实上她是一艘移动船坞,可以一次为两艘U艇进行补给。
youdao