Device Features: small occupation, short backwash time, less water amount for back-washing, etc.
装置特点：占地面积小、反冲洗时间短、反洗水量少等。
The development lacks the special features of the place etc. problem.
开发缺乏地方特色性等问题。
It features long feed stroke, large capacity, easy to operate and move etc.
该机具有给进行程长、钻进能力大、操作及搬迁方便、结构新颖等特点。
It features long feed stroke, large capacity, easy to operate and move etc.
该机具有给进行程长、钻进能力大、操作及搬迁方便、结构新颖等特点。
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