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
