adj.无尘的，不起灰尘的
The characteristics of dustless compouded lead salt stabilizer are good, and without dust poison.
无尘复合铅盐稳定剂性能优良, 无粉尘毒害.
The dustless chalk is of good quality, go and get some more.
这批无尘粉笔的质量不错, 再去买一些吧!
汉字吧hanzi8.com