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关注:1
2013-05-23 12:21
求翻译:Rare earths are the most important new rare material of 21st century or even the next century, which is the essential core material of sophisticated weapons and the new high-tech products .They play an important role in digital products ,communication products, household appliances, automotive products, aircraft manufa是什么意思?![]() ![]() Rare earths are the most important new rare material of 21st century or even the next century, which is the essential core material of sophisticated weapons and the new high-tech products .They play an important role in digital products ,communication products, household appliances, automotive products, aircraft manufa
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