Only small total volumes of liquid aerosols can be expected to reach the distal portions of the tracheobronchial tree.
只有很少一部分液状气溶胶可达到细末支气管。
The functions of the secretory barrier of the tracheobronchial tree are physical chemical immunological and biological.
气管、支气管树分泌屏障的功能有物理的、化学的、免疫学的和生物学的。
The functions of the secretory barrier of the tracheobronchial tree are physical, chemical, immunological, and biological.
气管支气管树分泌屏障的功能有物理的、化学的、免疫学的和生物学的。
The functions of the secretory barrier of the tracheobronchial tree are physical, chemical, immunological , and biological.
气管支气管树分泌屏障的功能有物理的、化学的、免疫学的和生物学的。
The functions of the secretory barrier of the tracheobronchial tree are physical, chemical, immunological , and biological.
气管支气管树分泌屏障的功能有物理的、化学的、免疫学的和生物学的。
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