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

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