copper ingot 中文意思是什麼
copper ingot
解釋
紫銅錠-
Standard specification for acuzinc5 zinc - copper - aluminum alloy in ingot form for die castings
壓模鑄造用鋅銅鋁合金錠標準規范 -
Copper - beryllium master alloy ingot
銅鈹中間合金錠 -
The basic reason for this dilemma was that the qing government exercised a monopoly over copper - bronze ingot production, thereby forcing bullion price down
形成這個問題的根本原因,在於清政府對銅斤實行壟斷經營、壓低價格。 -
Methods for the sampling and analysis of tin and tin alloys - method for the determination of copper in high purity ingot tin photometric method
錫及錫合金取樣及分析方法.第6部分:高純度錫錠中銅的測定方法 -
Methods for the sampling and analysis of tin and tin alloys - method for the determination of copper in ingot tin and tin - lead solders photometric method
錫及錫合金取樣及分析方法.第4部分:錫錠及錫鉛焊料中銅的測定方法
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