The meaning of quasi dynamic calibration of copper balls using to measure artillery chamber pressure is presented.

介绍了火炮膛压测压铜球准动态校准含义，分析了引起准动态校准压力对照表编表误差的因素。

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The meaning of quasi dynamic calibration of copper balls is presented and factors affecting errors on working out the table with quasi dynamic calibration is analyzed.

介绍了火炮膛压测压铜球准动态校准含义，分析了引起准动态校准压力对照表编表误差的因素。

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Applying a method of accurate loading and addition of milling balls, research to raise the mill capacity of Shizishan Copper Mine was carried out.

应用精确化装补球方法，开展了提高狮子山铜矿磨机生产能力的研究。

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Ordinary hackers outfit themselves with the clubs and balls and shoes and copper wristbands of their favourite pros in the hope that a little of the magic will rub off on them.

ECONOMIST: Tiger Woods