A. 两筒的安全程度相同
B. 开口筒较闭口筒安全
C. 闭口筒较开口筒安全
D. 两筒危险点的应力状态不同,无法比较
该内容VIP会员可见,您未登录,请先登录使用专属返佣链接推荐好友充值VIP会员,每单可得20%佣金!
手机访问快速搜题。
版权声明:本文原创或收集发布,未经许可禁止转载。
问题: [单选] He noticed that Joan was studying...
问题: [单选,材料题] The forty years from the 1930s...
问题: [单选,材料题] Air transport companies use dif...
问题: [单选] I tried very hard to persuade him...
问题: [单选] He failed to carry out some of the...
问题: [单选] The legislative provision has a gre...