快冻法砼抗冻等级以试件相对动弹性模量下降至不低于()或质量损失率不超过5%时的最大冻 发布时间:2017-10-15 12:02 │ 来源:www.tikuol.com 题型:单项选择题 问题: 快冻法砼抗冻等级以试件相对动弹性模量下降至不低于()或质量损失率不超过5%时的最大冻融循环次数确定。A、60%B、70%C、80%D、90%
题型:单项选择题 The house ________ I grew up has been taken down and replaced by an office building.A.thatB.in thatC.whichD.in which 查看答案