Hammer grinder with high grinding rate can fully increase the starch dissociation rate.

锤式粉碎机，破碎率高，能充分提高淀粉的游离率。

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With the increase of grinding speed or the abrasive grain size of the grinding belt, the grinding rate increases.

提高砂带速度、工件转速以及增大砂带磨粒粒度可有效地提高花岗岩的磨削效率。

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"Those with wear will continue wearing down their teeth and ... if you keep grinding at this rate, you won't have any teeth, " she said.

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De Klerk cites high unemployment as a grinding problem, with a rate of 50 percent among blacks between ages 18 and 34.

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Philadelphia Fed President Plosser does not seem to think so and believes that the Fed may need to raise interest rates sooner than 2015 if the economy starts to grow at a faster rate than the grinding pace that the Fed is currently forecasting.

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