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A: Currently, there is no viable lead-free alloy with this liquidus temperature. For this reason, there is an exemption for alloys with high liquidus temperatures that contain greater than 85% lead. |
中文意思: 目前,没有无铅合金能满足这样高的融点温度。为此,针对高熔点温度的合金有一个除外条例,这种合金含铅量大于85%。 |
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