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。
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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