May know by the experimental result, the draining water effect increases along with the nonwoven layer decreases, but if use monolayer nonwoven, strength and durability are not enough.
May know by the experimental result, the draining water effect increases along with the nonwoven layer decreases, but if use monolayer nonwoven, strength and durability are not enough.
由实验结果可知，排水的效果随著层数增加而减低，但若使用单层的话，强力及耐久性都不够。