探索甲烷用作改质重质油氢源的可行性。

The results indicate that methane has the performance of hydrogen resource, and can be capable of upgrading heavy oil.

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日本产量第五大的马自达表示，将持续在美国销售车辆，不过车源将改从日本进口，或是来自墨西哥的新厂房。

Mazda Japan's fifth largest, said production would continue to sell vehicles in the United States, but the source will change the car imported from Japan or from the new plant in Mexico.

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