主要是粉末很细会吸入肺里.“极细的粉尘能穿透鼻腔和咽喉的过滤机制进入呼吸道更深处甚至沉积在肺.“

来源: 5181 于 2025-09-08 19:50:26 [旧帖] [给我悄悄话] 本文已被阅读：次

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