可用于后张法的张拉机具有( )。A.穿心式千斤顶 B.卷扬机 C.电动螺杆张拉机 发布时间:2018-01-09 14:33 │ 来源:www.tikuol.com 题型:多项选择题 问题: 可用于后张法的张拉机具有( )。A.穿心式千斤顶B.卷扬机C.电动螺杆张拉机D.拉杆式千斤顶E.锥锚式双作用千斤顶
题型:多项选择题 It’s good manners _______ .A.for Chinese people to open the present as soon as he/she receives it.B.for both Chinese and British people to open the presents the moment they receive them.C.for both American and British people to open the presents when they get back home.D.for both American and British people to open the presents immediately they receive them. 查看答案
题型:多项选择题 女性,24岁,近1周出现发热、咽痛、咳嗽,今晨起感胸闷、心悸。心电图表现为PR间期0.22秒,P波规律出现,无QRS波脱漏,心电图诊断为()A.窦性心律不齐B.正常心电图C.一度房室传导阻滞D.二度房室传导阻滞E.低钾血症 查看答案