The reserved water in the dumpbucket obstructs return air in an excrement passage.
翻斗里的存水隔断了粪便通道的回气。
2
A second design proposal comprises that a manual dumpbucket toilet is provided with a handle which controls a manual dumpbucket 20.
手动翻斗式座便器 设置一手柄，以手柄操控手动翻斗20。
3
I'm always up for a challenge " the founder of Microsoft said in his highly-produced challenge video while drawing sketches for an ice-bucket-dump lever."