rock bolt
英
美
- 锚杆
双语例句
- This proved the design of this bolt was successful.
证明该锚杆的设计与研制是成功的。 - Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.
论述了短锚杆群支护碎裂岩石中耙道的原理及实施效果。
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