粪水罐 meaning in Chinese

liquid manure barrel
liquid manure tank

Silage and liquid manure containers ; part 4 : design principles ; above - ground silage and liquid manure steel containers
青贮箱和粪水罐.第4部分:地上钢制青贮箱和粪水罐
Silage and liquid manure containers ; part 3 : design principles ; above - ground silage and liquid manure wooden containers
青贮箱和粪水罐.第3部分:地上木制青贮箱和粪水罐