Chromosorb
紅色硅藻土色譜載體
??? 情景例句
Where there's a will, there's a way.
有志者事競(jìng)成。
Our clients are very critical on quality.
我們的客戶對(duì)商品的質(zhì)量是很挑剔的。
Can you tell me why?
能告訴我什么原因嗎？