空中英惯用短语:
| - 转筒真空过滤机 rotary vacuum drum filter
- adj. 轰炸, 空中摄影术, 空中侦察. aerial bombardment, photography, reconnaissance
- 轻便空气压缩机 portable air compressor
- vi. 轻吹, 胡说八道, 轻轻或反复地吹, 嘟嘟叫, 喔喔叫, 空谈, 写无聊文章, 轻柔或反复地吹（喇叭、笛子等）, 发出低沉而持久的声音 tootle
- 轻型防空导弹 light anti-aircraft missile
- n. 轻快地飘过天空的云彩 clouds sailing across the sky
- v. 轻烟在静止的空气里悬浮著. Smoke hung suspended in the still air
- n. 轻航空机, 浮空器, 高空气球, 气囊 aerostat
- adj. 轻视的, 轻蔑的, 目空一切的, 傲慢的, 贬义的, （常与of连用）表示轻蔑的, 侮辱的 contemptuous
- 载气真空泵 gas ballast pump
- 载气真空泵 vented-exhaust mechanical pump
- 载波空气 carrier air
- 辅助空气压缩机 topping up air compressor
- 辅助空气泵 auxiliary air pump
- 辅助空气阀 auxiliary air valve
- 辅空气 secondary air
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