短語詞組短語gravitational attraction method 地球重力法gravitational condensation method 重力法gravitational anomaly method 引力反常方法gravitational condensation method of exploration 重力探測法gravitational condensation packing method 重力填充法gravitational settling analysis method 沉降法gravitational method of exploration 重力探測法gravitational separation SHS method 重力分離SHS法SHS gravitational -thermit method SHS鋁熱 返回 gravitational method