Now I'm really fantastic at drawing this mechanical device, but you can imagine that dropping a weight can cause a paddle wheel to turn.
机械装置的时候，我真的很着迷，你可以想象，当重物掉落的时候会带动桨轮旋转。
The invention relates to a device for drawing liquid from containers of bottle shape.
本发明涉及一种把瓶子类容器中的液体抽出来的装置。
The invention relates to a device for drawing liquid from containers of bottle shape.
本发明涉及一种把瓶子类容器中的液体抽出来的装置。
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