vsd术后护理及注意事项

史昌万2307英语写作,1.John得知Frank住院并动手术.写信给Frank表示慰问,并盼望他早日康复.注意书信格式.参考词汇:be sorry to hear,in hospital,be operated,have ... -
荀胖步14759008481 ______[答案] Dear Frank I'm sorry to hear that you are in hospital and are being oprated.I hope that you will have a quick and recovery. As is known to all,operation is usually awful to us.But,do not worry about it.Every person around you is always caring for you and is ...

史昌万2307什么叫励磁倍数?强励动作后应注意什么? -
荀胖步14759008481 ______[答案] 强励倍数,即强行励磁电压与励磁机额定电压Ue之比,对于空冷励磁绕组的汽轮发电机,强励电压为2倍额定励磁电压,强励允许时间为50s. 强励动作后,应对励磁机的碳刷进行一次检查,另外要注意电压恢复后短路磁场电阻的继电器接点是否已打...

史昌万2307泰医气管切开需经哪些层次?术中应注意哪些解剖结构? -
荀胖步14759008481 ______[答案] 气管切开的层次:皮肤,浅筋膜,封套筋膜,舌骨下肌群,气管前筋膜 术中应注意:在第2~4气管软骨前方有甲状腺峡,峡的下方有甲状腺下静脉,甲状腺奇静脉丛和可能存在的甲状腺最下动脉,高位胸腺.