The introduction of anchor and shotcrete support has solved practically the problem of handling underground engineering support problems by considering rock and support as a structural entity.
最后提出喷锚支护的出现，从实践上解决将围岩与支护作为统一结构体的概念去处理地下工程的支护问题。
3
Tweaks to handling of anchor text. [launch codename "PC"] This month we turned off a classifier related to anchor text (the visible text appearing in links).