您要查找的是不是：
- 清洁灭火剂系统clean agent system
- 清洁灭火剂<迅速汽化clean agent fire suppressant
- 替代哈龙的清洁灭火剂clean agent halon replacement
- 清洁purity
- 清洁器cleaner
- 清洁的sanitary
- 灭火剂extinguishing agent
- 清洁能源Clean energy
- 清洁用品cleaning supplies
- １２１１灭火剂1211 extinguishing agent
- 清洁生产cleaner production
- １３０１灭火剂1301 extinguishing agent
- 不清洁uncleanness
- 清洁液cleaning solution
- 清洁卫生sanitation and hygiene
- 主妇总是保持水槽的清洁。The housewife always keeps the sink clean.
- 那是一所清洁的房子。It was a cleanly house.
- 保持清洁keep clean
- 清洁的衣服和良好的举止能给人以好感。Clean clothes and good manners are prepossessing.
- 清洁工具burnisher
