单词：light metal alloy
light metal alloy的用法和样例：
例句
- Most of the machine parts available here are made from a new kind of light alloy.这里采用的大多数机器部件都是由一种新的轻合金制造的。
- Salt water corroded the light alloy frames and the fabric wing-covering.盐水对轻合金飞机构架和布质机翼蒙皮有腐蚀作用。
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