您要查找的是不是：
- The testing person uses the infrared carbon sulfur analyzer to test the materials. 化验人员用红外碳硫分析仪化验材料。
- Standard Practice for Making and Conditioning Chemical-Resistant Sulfur Polymer Cement Concrete Test Specimens in the Laboratory 实验室中耐化学性硫聚合水泥固结试验样品制作和调合的标准规程
- Standard Specification for Sulfur Polymer Cement and Sulfur Modifier for Use in Chemical-Resistant, Rigid Sulfur Concrete 化学腐蚀、硬性含硫混凝土用含硫高聚物水泥
- Sulfur can be used to make gunpowder. 硫磺可以用来制造火药。
- CFCs are chlorine, fluorine and carbon polymer. 含氯氟烃是氯、氟及碳的聚合物。
- 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。
- A polymer in which the repeating unit contains two carbon atoms linked by an oxygen atom. 聚醚一种聚合物，其中重复性的单位含有由一个氧原子连结的两个碳原子
- Gunpowder is composed of sulfur, carbon, and potassium nitrate. 火药是由硫、碳和硝酸钾组成。
- She's a carbon copy of her sister. 她跟她姐姐一模一样。
- Standard Test Method for Determining the Chemical Resistance of Aggregates for Use in Chemical-Resistant Sulfur Polymer Cement Concrete and Other Chemical-Resistant Polymer Concretes 硫磺聚合物水泥混凝土用集料合格性测定的标准试验方法
- 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。
- Iron and steel with too much sulfur are red-short. 含硫过多的铁和钢都是热脆性的。
- Carbon and sulfur and phosphorus are allotropic elements. 碳、硫磺和磷是同素异形元素。
- 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。
- Sulfur is an essential nutrient for plants. 硫是植物的一种重要的营养元素。
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
- To eliminate sulfur from(petroleum, for example). 脱硫（例如，从石油中）除硫
