2) quartz building clock
石英建筑大钟
4) giant mole
大型石质建筑物
5) 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。
6) quartz type master clock
石英母钟
补充资料：石英钟
见天文时计。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条