Plastic Plug (Green Color)是什么意思

用法例句

The green silver colloid and yellow silver colloid were prepared by two?step photochemical procedure and UV photochemical procedure respectively.

研究了不同光源、光照时间、反应物浓度等对绿色银胶形成的影响 ,分别制备了绿色银胶和黄色银胶 。