gas house coal tar

例句：

1. 1. The old man lives ina gas house with his wife and children.
   这位老人和他的妻子和孩子住在一个煤气房里。
2. 2. Gas houses are often used for storinggasoline.
   煤气房通常用于储存汽油。
3. 3. The gas house was filled with smokefrom the fire.
   煤气房被火灾产生的烟雾充满。
4. 1. Coaltar is used as a solvent in theproduction of paints and varnishes.
   煤焦油用作油漆和清漆生产的溶剂。
5. 2. Coal tar pitch isused to make waterproofing materials.
   煤焦油沥青用于制作防水材料。
6. 3. The coaltar pitch resin is used to improvethe quality of paper.
   煤焦油沥青树脂用于提高纸张的质量。