铍青铜棒在交货复验中发现有裂纹。
The crack in beryllium-bronze bar was found by re-testing for consignment.
拉拔铜棒本体,密度更强。
i削减黄铜棒适当的直径和特大型在长度。
I cut brass rod of appropriate diameter and oversize in length.
i削减黄铜棒适当的直径和特大型在长度。
I cut brass rod of appropriate diameter and oversize in length.
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