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boron nitride

avia. 一氮化硼
chem. 氮化硼; 一氮化硼 (BN)
jewl. 氮化硼 (人工合成磨料,其硬度比碳化硅更高)
met. 氮化硼 (BN)
BN boron nitride
chem. 氮化硼
boron nitride
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