溪水的流向听从大自然的计划，不管有没有其他原因支持这个选址，水力驱动的工厂都必须设在河岸上。
Streams flowed where nature intended them to, and water-driven factories had to be located on their banks whether or not the location was desirable for other reasons.
工厂废水在回归自然之前必须进行净化。
Factory wastewater has to be cleaned before it goes back to nature.
哈里斯说：无人机也应用于自然灾害中，包括日本地震后的福岛工厂中。
Harris says drones have also been used in natural disaster situations, including at the Fukushima plant after the earthquake in Japan.
应用推荐