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lead-free solder
释义
lead-free solder
Encyclopedia
工学
锡合金
释
lead-free solder
无铅焊料
铅含量低于0.1%的软钎料。广义上指不添加铅、银、镉等有害元素的软钎料。
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grassland ecological security
grassland ecological subsidy policy
grassland ecological threshold
grassland ecological value accounting
grassland ecological water requirement
grassland ecosystem
grassland ecosystem services
grassland ecotourism
grassland enclosure
grassland establishment
grassland ethnic tourism
grassland evapotranspiration
grassland expert system
grassland fence
grassland fertilization
grassland fire disasters in China
grassland folk tourism
grassland health tourism
grassland hydrology
grassland hydrology and water resources
grassland in Aba
grassland in Altai
grassland industry of China
grassland in Ganzi
grassland in mountain areas of southern China
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