<ul id="u0qec"></ul>
The 2nmn colloid is too small to scatter light and the solution is clear. The remaining sizes scatter light to different degrees and the solution color changes with increasing particle size.
更新時間：2016-12-23
廠商性質(zhì)：代理商
產(chǎn)品型號：
QQ咨詢
電話
QQ掃一掃
返回頂部
