... quartz cell 石英电池 quartz clock movement 石英钟机芯 quartz clock 石英钟 ...
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architectural large quartz clock movement 建筑用石英大钟机芯
QUARTZ CLOCK MOVEMENT MANUFACTURING SPECIALITY 企业简介
quartz digital clock movement 数字式石英钟机芯
quartz analog clock movement 指针式石英钟机芯
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It analyses it's characteristics and also directs and summarizes such designing of quartz crystal clock movement.
该方法对此类型石英钟机心的设计具有一定参考价值。
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