您要查找的是不是：
- 清潔滅火劑系統clean agent system
- 清潔滅火劑<迅速汽化clean agent fire suppressant
- 替代哈龍的清潔滅火劑clean agent halon replacement
- 清潔purity
- 清潔器cleaner
- 清潔的sanitary
- 滅火劑extinguishing agent
- 清潔能源Clean energy
- 清潔用品cleaning supplies
- １２１１滅火劑1211 extinguishing agent
- 清潔生產(chǎn)cleaner production
- １３０１滅火劑1301 extinguishing agent
- 不清潔uncleanness
- 清潔液cleaning solution
- 清潔衛生sanitation and hygiene
- 主婦總是保持水槽的清潔。The housewife always keeps the sink clean.
- 那是一所清潔的房子。It was a cleanly house.
- 保持清潔keep clean
- 清潔的衣服和良好的舉止能給人以好感。Clean clothes and good manners are prepossessing.
- 清潔工具burnisher
