| | | | | | | | | | | | | 4 ~5 | | | | | | | | | 1 | 2 | | | 3 | | | 4 2 8% 灭蜗灵 | 10% 多聚乙醛 | 灭蜗灵 多聚 | 乙醛 | | | | | |