常見例句用作名詞 (n.)Our county is in great need of high-grade white carbon black and nanometre silica products.At present, the products are imported.我國(guó)對(duì)高檔白炭黑和納米級(jí)二氧化矽産品需求量大,目前主要依靠進(jìn)口此項(xiàng)目産品。 返回 nanometre