混合系数的经验公式单独估算法是( ) A.实验宣测定法 B.Kol法 C.泰勒( 发布时间:2018-01-10 02:04 │ 来源:www.tikuol.com 题型:单项选择题 问题: 混合系数的经验公式单独估算法是( )A.实验宣测定法 B.Kol法C.泰勒(Taylor)法 D.费希尔(Fischer)法
题型:单项选择题 . It is important to know exactly the message ________ and ________.A.you want to send it to people; that you try to get them to doB.sent to people; what do they want to doC.you want to send; which you want people to knowD.you want to send to people; what you are trying to get them to do 查看答案
题型:单项选择题 以下对拱的内力特点的论述,哪些完全正确()Ⅰ.满跨竖向均布荷载作用下,三铰拱的合理拱轴线是抛物曲线;Ⅱ.三铰拱的跨度和荷载不变时,其推力和拱高成反比;Ⅲ.三铰拱是超静定结构;Ⅳ.三铰拱各截面的弯矩总为零A.Ⅰ、Ⅱ B.Ⅱ、Ⅲ C.Ⅲ、Ⅳ D.Ⅰ、Ⅳ 查看答案