There are a lot of quality problems in the process of corn thresher production which caused the product qualification rate dropped.
玉米脱粒机生产厂家在生产过程中存在着许多问题，导致产品的合格率下降，甚至有许多假冒伪劣产品。
After testing 640 welds, the once qualification rate reaches 99.5 %, that shows the welding process and method are effective and feasible.
按照所制订的焊接工艺和方法共焊接各种规格焊口640道，探伤一次合格率为99.5%，证明该焊接工艺和方法是可行的。
With the original process, the qualification rate of the liquation carbonide was only 75.
原工艺下液析碳化物合格率仅为75。
The reasonable selection of the process parameter has remarkable effects in the controlling of forging quality, increasing of the qualification rate and productivity.
工艺参数的合理选择对宏观控制锻件质量、提高锻件合格率、提高生产率效果显著。
The device has the advantages of uniform rolling force distribution, remarkably-reduced axial force, high product qualification rate and flexible and convenient process arrangement.
它轧制力分布均匀，轴向力显著减少，成材率高，工艺安排灵活方便。
The device has the advantages of uniform rolling force distribution, remarkably-reduced axial force, high product qualification rate and flexible and convenient process arrangement.
它轧制力分布均匀，轴向力显著减少，成材率高，工艺安排灵活方便。
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