中国的水泥消费量占全球一半以上，铁、煤、铅、锌、铝和猪肉使用量占全球近一半。
China accounts for more than half the world's consumption of cement, and nearly half its use of iron, coal, lead, zinc, aluminum and pigs.
我建议不使用铝烹饪器皿或铝止汗剂。
I recommend not using aluminum cooking ware or aluminum anti-perspirants.
这就把它们和在转子处使用永磁铁而非一套铝或铜导体的同步发动机区分开来。
That distinguishes them from synchronous motors that use a permanent magnet in their rotors instead of a set of aluminium or copper conductors.
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