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polycrystalline aggregate
polycrystalline area
polycrystalline ceramic
polycrystalline ceramics
polycrystalline copper
polycrystalline diamond
polycrystalline diamond compound bit
polycrystalline diamond wire drawing die
polycrystalline fibre
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polycrystalline copper
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polycrystalline copper
Definitions
[1] 多晶铜
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