As shown by the experiments, the jaw grinders cast with air-quenched-bainite steel offer a life span twice as long as those made of ordinary low alloy steel.
经现场试验表明，用空淬贝氏体钢浇注的颚板，其寿命是普通低合金钢颚板的两倍。
Adopting the advanced movable jaw bear, low energy consumption, the service life is 60% longer than the normal bearing.
采用最先进的动鄂轴承，能耗低，使用年限比常规轴承长60%。
The jaw made of the Re low-alloy air-quenched wear-resistant cast steel was developed with the characteristics of simple process, lower cost and good mechanical properties.
新型稀土低合金空淬耐磨铸钢腭板，具有生产工艺简单、成本低、性能优良等特点。
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