鍖栧鎴愬垎
錛?/SPAN>JB/T 1189錛?/SPAN>1992錛?/SPAN>
鐗屽彿
Al2O3
ZrO2
TiO2
ZA
68锝?/SPAN>72
24锝?/SPAN>30
鈮?/SPAN>1.5
ZAN
55锝?/SPAN>57
35锝?/SPAN>44
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