在晶体加工中，特殊晶向及晶体棱镜的切割一直是困扰加工者的一大难题。
It is always a great difficult around fabricators to cut the special orientation and prism of crystal in the cutting process.
在晶体加工中，特殊晶向及晶体棱镜的切割一直是困扰加工者的一大难题。
It is always a great difficult around fabricators to cut the special orientation and prism of crystal in the cutting process.
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