Al Si alloy was widely used because of its good properties, Iron is the most common impurity in al Si alloy.
铝硅合金因其具有优良的性能而得到了广泛地应用，铁相是铝硅合金中最为常见的杂质。
High Density Resistivity is widely used in engineering geology exploration because of such advantages as its abundant data, low cost, good anti-jamming and et al.
高密度电法以其数据量丰富、成本低、受场地干扰小等优点而广泛应用于工程地质勘察中。
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