In order to avoid the occurrence of serious accidents, the problem exists on the compressor group trachea Road system and its bracket-site measurements, survey.
为避免严重事故的发生，对压缩机组气管路系统及其支架存在的问题进行现场测量、勘察。
The respiratory system includes the nose, larynx, trachea and lung.
呼吸系统包括鼻、喉、气管和肺。
The respiratory system of the newborn, especially trachea and the lungs has basically developed.
新生儿呼吸器官—气管和肺的结构已基本发育完全。
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