Rock mass is the synthesis of an intact rock and it's joint.
岩体是由完整岩石和节理共同组成的综合体。
Use runners and “placed” protections whenever possible because they leave the rock intact.
随时使用带环和固定的保护装置，因为这样可以保持岩石的完整。
Use runners and “placed” protections whenever possible because they leave the rock intact.
随时使用带环和固定的保护装置，因为这样可以保持岩石的完整。
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