您要查找的是不是：
- polytrimethylene carbonate 聚碳酸亚丙基酯
- I make a carbon copy of my documents. 我用复写纸复写文件。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- I have some carbon paper somewhere or other. 我记得我在什么地方放有复写纸。
- She's a carbon copy of her sister. 她跟她姐姐一模一样。
- The crude sodium carbonate ash obtained from these plants. 苏打灰从这些植物中获得的粗碳酸钠灰
- A copy made by using carbon paper. 复写本，副本用复写纸复印的一份
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Limestone is rock composed of calcium carbonate. 石灰石是由碳酸钙所构成的岩石。
- You receive the top copy of the receipt, and we keep the carbon. 你把这收据上面的原件收下，我们保留下面的复写件。
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
- Having a ring composed exclusively of carbon atoms, as benzene. 碳环的有一个仅由碳原子组成的环的，如苯
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素，尤指碳14。
- Packing of sodium carbonate for industrial use II. 工业用碳酸钠包装2。
- This is a rare quality carbonate hot spring. 这是一处稀有的优质碳酸石盐泉。
- RECENT DEVELOPMENT OF POTASSIUM CARBONATE INDUSTRY. 碳酸钾工业发展近况。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
- Plants absorb carbon from the air. 作物从空气中吸收炭。
- The rheological property of polytrimethylene terephthalate( PTT) was studied with capillary rheometer. 采用自制的毛细管流变仪研究了聚对苯二甲酸丙二醇酯(PTT)的流变性能。
- She put the carbon paper in the wrong way round. 他把复写纸放反了。
