Vibration machine sputum expectoration expectoration of respiratory effects of method of observation …Vibratory sputum expectoration of sputum for …
“振动排痰机排痰法对呼吸道疾病排痰效果的观察”这句话怎样翻…
Vibration machine sputum expectoration expectoration of respiratory effects of method of observation …Vibratory sputum expectoration of sputum for …
“振动排痰机排痰法对呼吸道疾病排痰效果的观察”这句话怎样翻…
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