典型的两片式飞机机轮是由铝或镁合金铸造或锻造而成。

A The typical modern two-piece aircraft wheel is cast or forged from aluminum or titanium alloy;

B The typical modern two-piece aircraft wheel is cast or forged from aluminum or magnesium alloy;

C The critical modern two-piece aircraft wheel is cast or forged from composite or magnesium alloy;