surface with protective coating
2. Surface with protective coating, scratch and wash.
基于1个网页-相关网页
surface with protective coating
表面有保护涂层
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The surface of resistor is covered with Protective coating which hard to fade, and the surface of coating should avoid unevenness.
电阻器表面二次玻璃体保护膜覆盖完好且难以脱落，表面平整。
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