您要查找的是不是：
- 低气层substandard surface layers
- 低音；低声低强度或音量的音调，尤指说话声音A tone of low pitch or volume, especially of spoken sound.
- 低气枕床low air loss bed
- 气smell
- 铝热法冶炼低气金属铬提高产品质量的探讨DISCUSSION ON IMPROVING QUALITY OF ALUMINO-THERMIC CHROMIUM METAL WITH AIRMELT GRADE LOW ALUMINIUM
- 低的low-lying
- 一口气in one breath
- 低成本low cost
- 口气(friendly or unfriendly) tone (of comments)
- 高低(adv) simply; just
- 烟气flue gases
- 较低的lower
- 吹气huff
- 偏低on the low side
- 呼气expire
- 低端low end
- 气短be discouraged
- 较低lower
- 气相gas phase
- 超低ultralow
