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尽管镁是地壳中第三种最丰富的元素,而且海水中的镁取之不尽,此外,还有菱镁矿、白云石这些矿物和含MgCl_2的盐水以及大盐湖水等镁资沅,但至今镁仍未达到作为结构材料
Although magnesium is the third most abundant element in the earth’s crust, and magnesium in seawater is inexhaustible, there are also minerals such as magnesite and dolomite and magnesium salts containing MgCl 2 and magnesium salts such as the Great Salt Lake Magnesium has not yet reached as a structural material