素体阴虚火旺,复感风寒之邪,可见() ["红瘦舌,灰苔","红绛舌,白滑腻苔","绛舌,黄苔","淡白舌,黄裂苔","红舌,苍老滑苔"]
小腹刺痛,小便不利,多属() ["脾胃虚寒证","寒凝肝脉证","膀胱蓄血证","虫积腹痛","食积腹痛"]
某水轮发电机额定电流为2000安,发电机额定电压为13.8千伏,计算发电机额定容量。
某水轮发电机转子有磁极24对,机组频率为50赫兹。计算机组额定转速为多少?
鼻鼽相当于西医的() ["慢性鼻炎","过敏性鼻炎","鼻息肉","化脓性鼻窦炎","鼻出血"]
某水轮发电机设计水头为120M,水轮机效率为0.90,额定流量为250立方米每秒,计算该水水轮机额定出力为多少?