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鍚嶇ū
鎸囨(bi膩o)
娲绘€ч惖
鈮�88%
瀹归噸
2.2g/cm3
鎶楀寮�(qi谩ng)搴�
1500N/T
姣旇〃闈㈢⿳
85g/cm3
鎶楄厫鎸囨暩(sh霉)
鈮�3.4
SiO2+AL2O3
鈮�5.5
S
鈮�0.03%
CU
鈮�0.002%
Sn
Bi
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