采用进口弹簧钢编织筛网和冲孔筛板，不会造成堵孔，使用年限长。
The sieve and punching sieve weaved with the imported spring steel, that cannot be clogged and with long operation life.
采用进口弹簧钢编织筛网和冲孔筛板，不会造成堵孔，使用年限长。
The sieve and punching sieve weaved with the imported spring steel, that cannot be clogged and with long operation life.
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