提出粉尘的环保卫生问题，结合实际，设计粉尘回收系统。
Put forward the environmental protection hygiene problem of the dust, join together foot, design recovery system of the dust.
本发明省时省力，避免了工作中的粉尘污染，环保卫生，又因其结构紧凑，可以随便移动。
The invention saves time and effort, avoids dust pollution in operation, is environmentally friendly and sanitary, and the invention can be moved randomly as the structure thereof is compact.
本发明省时省力，避免了工作中的粉尘污染，环保卫生，又因其结构紧凑，可以随便移动。
The invention saves time and effort, avoids dust pollution in operation, is environmentally friendly and sanitary, and the invention can be moved randomly as the structure thereof is compact.
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