害虫防治和有毒树脂
This material has to be free from substances of pest control and toxical resin which are not confirm to DIN EN 71.
这种材料必须不能含有杀虫药和有毒树脂成分,因为上述两种物质不符合DIN(德国标准化学会)71的规定.
害虫防治和有毒树脂
This material has to be free from substances of pest control and toxical resin which are not confirm to DIN EN 71.
这种材料必须不能含有杀虫药和有毒树脂成分,因为上述两种物质不符合DIN(德国标准化学会)71的规定.