组成合金的主要成分金属叫基体金属，如铁碳合金中铁是基体金属，镍量小于50%的铁镍合金中铁是基体金属，镍量大于50%的铁镍合金中镍是基体金属。
关于汽车构造基体金属的探讨，突出了现代铸铁的技术进步；
The discussion on base metals for auto construction pays special attention to technical advancement of modern cast iron.
玻璃熔体侵蚀基体金属，溶解表面氧化物，生成大量氧化物结晶相。
Glass smelt erodes the base metal and dissolves surface oxides, and produces many crystalline phases.
重皮。扎入基体金属表面、通常只有一端与基体金属相连的极薄的金属长条。
Sliver. An extremely thin elongated piece of metal that has been rolled into the surface of the parent metal to which it is attached - usually by only one end.
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