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二次离子污染是影响厦门环境空气质量的主要因子。
The pollution of secondary ions is the major influence factor for Xiaman air quality.
抗高温、抗盐尤其抗高价离子污染能力强，防塌效果好。
The copolymer also had good heat resistance salt tolerance, and hole sloughing prevention.
这些参数主要包括：外观、干燥度、离子污染、助焊剂残留、表面绝缘电阻和电迁移等。
It 'mainly concludes these characteristic parameters, such as visual, dryness, ion contamination, welding flux residual, surface insulation resistance and electric migration et al.
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