高拱坝是安全性和经济性都比较优越的坝型，应用十分广泛。
采用先进的堆芯，增加寿命期，以达到高安全性和经济性的双目标。
The use of advanced core, increase the life cycle, in order to achieve high security and economy of the dual objectives.
因此，合理的锚固方案对地下工程的安全性和经济性有着重要意义。
Therefore, reasonable bolt support scheme is of great importance to both safety and economy of underground engineering.
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