Eventually, instead of printing from these directly, he employed them to stamp out intermediate dies which were then used as moulds to mass produce letter blocks made of a lead alloy.
渐渐地,他不再直接使用这些小钢块,而是利用它们压制出中等大小的模具,用这些模具可以批量生产出铅合金的字母块。
He knew brass is an alloy of copper and zinc.
他知道了黄铜是铜和锌的合金。
"Due to lofty copper prices, many copper users in China are shifting to other relatively cheap metals, such as aluminum and alloy, to cut costs," he said.
“由于铜价高昂,中国许多使用铜的生产商转而使用铝合金等价格相对便宜的金属,”他说。
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