采用压缩空气制动系统的撒砂装置不撒砂时,应检查()。 A.撒砂阀是否灵活可靠 B.压 发布时间:2018-01-31 12:06 │ 来源:www.tikuol.com 题型:多项选择题 问题: 采用压缩空气制动系统的撒砂装置不撒砂时,应检查()。A.撒砂阀是否灵活可靠B.压缩空气的管路的密封情况C.制动阀的密封情况D.调压阀的密封情况
题型:多项选择题 Passage One Questions 26 to 28 are based on the passage you have just heard.A.He was born in Chicago in 1910.B.He ever sold newspapers in Chicago.C.He made several fills with an old camera.D.He end his brother set up a company in 1932. 查看答案
题型:多项选择题 男性,24岁,支气管哮喘患者。夜间突然大发作,气喘明显,口唇发绀,端坐呼吸,大汗淋漓。以下哪项体征最能提示病情严重()A.两肺广泛哮鸣音B.呼吸急促28/minC.桶状胸,两肺叩诊过清音D.两肺未闻及哮鸣音E.心率100/min 查看答案