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basic slag 堿性熔渣。

basicity

Several other materials can be used for liming purposes , such as , baked or burned oyster shells , marl , basic slag , wood ashes , and cement industry by - products 其它幾種物質也可用來施用石灰,如?殼灰、泥灰、鋼渣磷肥(堿性爐渣) 、草木灰和工業水泥的副產品等。