Fin whale has become a periscope?
鲸鱼鳍成了潜望镜？
The captain of the submarine has got this periscope thing.
那个潜艇艇长有个类似于潜望镜之类的东西。
Now you can keep your boat at periscope depth all day long!
现在，您可以让您的船民在潜望镜深度一天！
Examples of snorkel-periscope system combination applications are given.
给出了通气管和潜望镜观察系统组合应用的实例。
Examples of snorkel-periscope system combination applications are given.
给出了通气管和潜望镜观察系统组合应用的实例。
应用推荐