punched screens
... psychological screens 心理过滤 punched screens 冲孔钢筛板 radar screens 雷达幕 ...
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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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