L-B型制动梁闸瓦托螺栓(哈克螺栓)松动时,辅修须()。A、点焊 B、更换 C、紧固 发布时间:2017-07-26 12:10 │ 来源:www.tikuol.com 题型:单项选择题 问题: L-B型制动梁闸瓦托螺栓(哈克螺栓)松动时,辅修须()。A、点焊B、更换C、紧固D、紧固紧固并点焊
题型:单项选择题 The pavements are designed to provide easy access for the blind to _______conveniently, which is bound to_______ active effects on people’s opinion on the government’s performance.A.walk ; produceB.walking ; producingC.walk ; producingD.walking ; produce 查看答案
题型:单项选择题 男性,28岁,农民。秋收后感发热、头痛、不思进食4d,尿量减少2d入院。经过检查确诊为流行性出血热。入院后第2d病人无尿,浮肿加重,烦躁不安,气急、咳嗽。体检:端坐位,颈静脉充盈,心率140次/分,奔马律,两肺广泛湿啰音,BP24.7/12.5kPa(186/94mmHg)。化验:BUN60mmol/L,Cr430μmol/L。上述症状体征产生机制是()A.高血容量综合征B.高血压心脏病C.尿毒症脑病D.出血热合并肺部感染E.颅内出血 查看答案