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最佳答案：铝2014,铝6061,黄铜,青铜,环氧树脂,铁20,铁30,铁40号,铁60号.后面那两个没有（我朋友川大材料学专业的研究生,现在核物理研究所都无解）,请确认
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最佳答案：Large deposits of coal were found nearly,其中 coal 是煤炭的意思.
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最佳答案：How to manage there is no misuse between order and material,namely,each order's
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最佳答案：Unless you read it again,you may not get its main ideas.
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最佳答案：交通灯的右边向右转 .不过要求翻译句子最好给出全句
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最佳答案：introduction of metal materialsmetal materials are most widely used in our daily
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最佳答案：The application and design of modern decorating material to dressing
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最佳答案：In case of weekend or holiday,please hand over the requried documentations one d
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最佳答案：正确的签名
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最佳答案：Please send product catalog and other related explanatory written materials