Could it be the carbon dioxide in my respiratory system?
是不是因为我呼吸系统中的二氧化碳在作怪?
These fibers can float in the air and easily get into your respiratory system.
这些纤维能浮在空中,容易陷入你呼吸道系统。
Objective to study the respiratory system injury in fur processing environment.
目的探索皮毛加工作业环境对工人呼吸系统的影响。
Objective to study the respiratory system injury in fur processing environment.
目的探索皮毛加工作业环境对工人呼吸系统的影响。
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