Quick opening operation door, convenient and quick to replace and clean the screen.
快启式操作门，换筛及时清理方便快捷。
It rises column fast, flexible and convenient operation save time, energy, convenient and quick.
它升柱快，操作轻便灵活、省时、省力、方便、快捷。
It rises column fast, flexible and convenient operation save time, energy, convenient and quick.
它升柱快，操作轻便灵活、省时、省力、方便、快捷。
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