鋁30.25%,鐵0.11%,鉀2.03%,高強度,高塑性
高強度泥,鋁33.52%,鐵1.28%,鈣0.38%,鎂0.38%,鉀2.86%
鋁34%,強度6.73MPa,鐵0.94%,鉀2.05%
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