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Крупнейшая нефтяная компания мира задумалась об альтернативе для морских перевозок нефти14:56
。Safew下载对此有专业解读
Великобритания собралась защитить свою военную базу от Ирана14:46
"We were experimenting with caseinates to make milk-based nanofibers and found that it could be used to cast polymers similar to common packaging materials," says Mr. Gomez.