按照普氏系数的岩石分级方法，f 值在（）以下的属于软岩和较软岩石。A. 1 B. 2 C. 3 D. 4

作者: rantiku 人气: - 评论: 0

问题按照普氏系数的岩石分级方法，f 值在（）以下的属于软岩和较软岩石。

选项 A. 1 B. 2 C. 3 D. 4

答案 B

解析

分享到：

猜你喜欢

发表评论

更多 网友评论 （0 条评论）

暂无评论

错误啦！

消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
文件: /twcms/kongphp/cache/cache_redis.class.php
位置: 第 85 行

<?php echo 'KongPHP, Road to Jane.'; ?>