System in mining field pressure-blasting machine site, widely used in grinding anterior process, it can produce a lot of powder grinding, reduce the high cost of grinding the load.

制砂机现场在矿业领域，广泛地应用于磨矿前段工艺，它能产生大量的粉矿，减少高成本的磨矿负荷。

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From stress distribution, the anterior combined with posterior approach was corresponding with the principle of load-sharing.

从应力分布情况来看，前后联合内固定方式更加符合载荷分布原则。

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