Come the day a commercial version is built, it will thus be able to operate continuously.

等到商业版建成的那一天，它就可以连续运行了。

Dr Stachewicz and Mr Ura experimented with different potential differences between needle and drum and eventually found one that resulted in meshes able to collect 50% more water than commercial versions, at no extra cost of production.

斯塔切薇兹博士和尤拉先生对针和滚筒之间的不同电势差进行了实验，最终找到了一种能比商业版本多收集50%水的网眼，而且不需要额外的生产成本。