JN600

采用PP环保材料制作,适用于公园、景区、室内、社区等场所。垃圾桶,又名废物箱或垃圾箱,是指装放垃圾的地方。多数以金属或塑胶制,用时放入塑料袋,当垃圾一多便可扎起袋丢掉。垃圾桶是人们生活中“藏污纳垢”的容器,也是社会文化的一种折射,多数垃圾桶都有盖以防

The fitness of two KN95 particulate respirators and the facial dimensions of human body were measured to analyze the factors of human body dimension affecting the fitness of respirators. The facial dimensions of 80 test subjects were measured by bending angle gauge and right angle gauge.


上一篇:没有了
下一篇:X6