第一次世界大战

New design four litre toilet cisterns with half flush facility operate throughout the building using the harvested rain water.

新设计的4升的马桶水箱冲洗设施，有一半在整个操作使用雨水收获的建设。

In practical applications there could be variations, because of the mounting conditions, for example.

在实际应用中可能会有变化，因为安装条件，例如。