rock bolt

 
  • 錨桿

rock bolt的用法和樣例:

例句

  1. This proved the design of this bolt was successful.
    證明該錨桿的設計與研製是成功的。
  2. Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.
    論述了短錨桿群支護碎裂岩石中耙道的原理及實施效果。
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