您要查找的是不是：
- 压缩空气A类泡沫 compressed class A air foam
- 自动压缩空气A类泡沫灭火系统的特点及在使用中的几点注意事项 The Characteristics of automatic pressurized air class A foam fire extinquishing system and some of it's points for attention in application
- A类泡沫 class A foam
- A类泡沫系统 class A foam system
- 压缩空气A类泡沫灭火系统的试验和研究 The Study on the Compressed Air Class A Foam System
- 罐式混合批量混合<一种应用A类泡沫的简单方法 batch mixing
- 聚氨脂类泡沫 polyurethane foam
- 不仅A而且 not merely A but also B
- 与其说A不如说 not so much A as B
- 胺类 amine
- A股 A-share
- 聚类分析 cluster analysis
- 灵长类 Primates
- 把A误以为 take A for B
- 果类 fruit
- 类项 category
- 布类 mercery
- 第一类 first kind
- 蔬菜类 greengrocery
- 脂类 FAT
