未知题型
A、焦痂一般于伤后3~4周逐渐分离B、创面水泡较小而扁C、疼痛剧烈D、较大的Ⅲ度创面，可由......
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损伤累及皮肤全层或深达脂肪、肌肉或骨骼的烧伤深度是（）
未知题型损伤累及皮肤全层或深达脂肪、肌肉或骨骼的烧伤深度是（）
We want as many electrons as possible to reach the coll...
判断题We want as many electrons as possible to reach the collector without recombining with any majority carrier holes in the base. Therefore, the width of the base needs to be large compared with the minority carrier diffusion length. ()
伤及真皮深层，尚残留皮肤附件的烧伤深度是（）
未知题型伤及真皮深层，尚残留皮肤附件的烧伤深度是（）
