释义 |
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Wing feather with copper-containing pigment, flight and display, Courtesy Peter Mullen, Ph.D. 带有铜类色素的翅羽,飞行和展示用,彼得·穆伦博士惠赠 - 2
Wing feather with copper-containing pigment, flight and display, Courtesy Peter Mullen, Ph. D. 带有铜类色素的翅羽,飞行和展示用,彼得·穆伦博士惠赠。 - 3
Therefore, tests were made on a Liaoning copper-containing gold concentrate, aiming at improving the gold leaching rate. 为此,对辽宁某含铜金精矿进行了旨在提高金浸出率的试验研究。
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