David Phelps, president of AIIS, the importers group, said the U.S. steel industry is profitable and doesnt need protection from imports.是什么意思_David Phelps, president of AIIS, the importers group, said the U.S. steel industry is profitable and doesnt need protection from imports.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句