off-grade product [工经] 等外品
The paper describes the effective measures taken to reduce off grade product with home scrap, rhomb and horizontal crack, and consequently improving the quality of the continuously casting product.
本文介绍了转炉炼钢厂通过采取有效措施，减少退废、脱方及横向裂纹废品，提高连铸坯质量。
Simulation results show that through implementation of optimal control, the transition time and off-spec product can be reduced over 60% in the polypropylene grade transition.
仿真结果表明，通过实施优化控制，能够使产品牌号切换过程的过渡时间和过渡料数量降低60％以上。
To honor customers. the Co. will not allow any off-grade product delivered strictly.
为诚信客户，公司将严格做到不合格的产品绝不出厂。
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