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。
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。
Surely there was a way to keep the disinterred metal root balls sprouting in the lab, coaxing their fruit to full succulent ripeness as the noblest of metals — lead into silver, copper to gold?
真的有方法可以让这些挖掘出来的金属根茎球在实验室里继续生长，就像成熟多汁的果实一样变成贵金属 -- 从铅变成银，从铜变成金？
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。
The mesh of copper tubes and loading ways of the balls are the key problems during three dimensional FE simulation of ball spinning of inner grooved tubes.
内螺纹管滚珠旋压三维有限元模拟中，铜管的网格划分和滚珠加载方式是模拟的关键问题。
The mesh of copper tubes and loading ways of the balls are the key problems during three dimensional FE simulation of ball spinning of inner grooved tubes.
内螺纹管滚珠旋压三维有限元模拟中，铜管的网格划分和滚珠加载方式是模拟的关键问题。
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