y-13 60 single layer y-13 80 single layer y-13 100 single layer y-13 120 single layer y-13 60 lower double layer y-13 80 lower double layer y-13 100 lower double layer y-13 120 lower double layer y-14 100 upper and lower double layers y-14 120 upper and lower double layers y-15 100 three layers y-15 120 three layers y-15 135 three layers y-15 132-combination side mesh

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