例句 /

The soft ground in loess ravine region has not been researched by the numbers yet, and its engineering properties have some difference from ordinary soft clay located in littoral.

详情正文

登录后查看完整内容

使用 DeepEvidence / 梅斯账号登录,新用户可在登录页面注册。

登录成功后将返回当前页面,继续浏览。