3. Two water tanks provide a total capacity of 400 litres. 两个水箱的总容量为400升。
4. The villagers are rationed to two litres of water a day. 村民每天的用水量限定为两升。
5. Two diametrically opposed water-filled "gondolas", each with a capacity of 360,000 litres, are fitted between the ends of the arms. 两个正好相对的、容量为36万升的蓄满水的“贡多拉”水槽被放置在摆臂两端。