肥胖是体内中性脂肪过多积聚的表现,超过标准体重多少者即为肥胖() ["超过标准体重10%以上","超过标准体重15%以上","超过标准体重20%以上","超过标准体重25%以上","超过标准体重30%以上"]
已知发电机型号为SF250-48/11360,机组频率为50HZ,求发电机额定转速。
检查肠管或索条状包块常用下列哪种方法() ["浅部触诊法","深部滑行触诊法","双手触诊法","深压触诊法","冲击触诊法"]
太阳病伤寒表实证的关键症状不包括下列哪项() ["发热恶寒","头项强痛","脉浮紧","无汗","小便不利"]
心烦失眠,惊悸健忘,头晕耳鸣,腰膝酸软,梦遗,潮热盗汗,舌红脉细,证属() ["心肾阳虚","心肾不交","肺肾气虚","肝肾阴虚","肺肾阴虚"]
已知水轮机额定出力为300KW水轮机额定流量为250立方米每秒,设计水头为135M,计算该水轮机效率。