前置泵入口过压阀的作用是什么?
参考答案:
在给水泵解列时,防止高压给水倒流入前置泵入口的管路,造成该管路超压损坏。
"We can not afford limited progress. We need rapid progress," Ban said at the Third World Climate
Conference in Geneva, ______ by the World Meteorological Organization (WMO). [ ]
A. organized
B. being organized
C. organizing
D. was organized
患者,男性,18岁。上呼吸道感染后2周,出现颜面水肿,肉眼血尿而来院就诊。体检:血压135/95mmHg。尿常规蛋白(++),红细胞满视野,白细胞5~10个/HP。
检查结果符合急性链球菌感染后肾炎,对患者进行健康宣教错误的是()
A.增强体质,预防感冒
B.慢性扁桃体炎反复发作应考虑手术摘除
C.临床痊愈后无需门诊复查
D.少数血尿及微量蛋白尿可迁延较长时间,应定期复查
E.本病大多预后良好