Annual copper in concentrate output would start at 30,000 metric tons and double a year later, he said.

他表示，每年的精矿产量开始时达到3万公吨，一年后产量能增加一倍。

youdao

Annual copper in concentrate output would start at 30, 000 metric tons and double a year later, he said.

他表示，每年的精矿产量开始时达到3万公吨，一年后产量能增加一倍。

youdao

Aerospace - airframe ball bearings, double - row, self - aligning, diameter series 2 - metric series.

航空航天。飞机结构用直径系列2的自位双列球轴承。米制系列。

youdao

Aerospace - airframe ball bearings, double - row, self - aligning, diameter series 2 - metric series.

航空航天。飞机结构用直径系列2的自位双列球轴承。米制系列。

youdao