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1)  HZ quartz clock
连续式(8Hz)石英钟
2)  quartz digital clock
数字式石英钟
3)  quartz analog clock
指针式石英钟
4)  LCD quartz clock
液晶式石英钟
5)  Continuous clock
连续时钟
6)  quartz clock
石英钟
1.
According to the characteristics of the quartz clock gears, the choice of the runner and gate of the mould for the quartz clock gears, the cavity arrangement, the structures of the mould and its cavity, the ejection-reset mechanism and the cooling system are introduced and the problems needing attention are pointed out.
根据石英钟齿轮的特点,介绍了石英钟齿轮模具流道与浇口的选择、型腔排布、模具及型腔结构、顶出复位机构及冷却系统,并指出了应注意的问题。
补充资料:石英钟
      见天文时计。
  

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