carbon black

carbon black 哪里有carbon black JS980炭黑卖 carbon 谁能告诉我详细黑色圆珠笔里的化学成分以及what consists of black ink?比如说 carbon black.能给英文的最好 记得是 或者颜料.关键词是 black ballpoint pen/black ink,chemical composition/ pigment 英语翻译Following fires,small amounts of so-called ‘black carbon’ are produced,which constitute a nearly inert carbon fraction with turnover times that may span millennia.这里fraction with turnover times怎么翻? carbon life carbon steel plain carbon carbon是什么意思 carbon offsetting sulfonated carbon Carbon dioxide Carbon 9 Carbon uptake carbon copy中的carbon是什么意思? black black black