How long will it take to make a coupling bolt?
做一个联轴器螺栓需要多长时间？
Based on the practice result, it is feasible on technology, credible on safety, and reasonable on economic by using the bolt-cable coupling support technology.
根据试验结果，证明在白芨沟矿采用锚网锚索耦合支护技术在技术上是可行的、安全上是可靠的、经济上是合理的。
The author introduces a kind of structure which can realize rapid bolt mounting on the chief fuse box of auto power and the solid coupling way to connect the fuse box and battery connector.
介绍一种汽车电源总熔断丝盒上可以快速安装螺栓的结构，以及熔断丝盒与蓄电池接头的刚性连接方式。
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