... ·甜菜碱型两性表面活性剂 英文:betaine type amphoteric surfactant(s) ·调节式仪表 英文:regulation meter ·表面淬火 英文:surface quenching ...
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Verification Regulation of Illuminance Meter 光照度计检定规程
Verification Regulation of Luminance Meter 亮度计检定规程
Verification Regulation of Float Meter 浮子流量计检定规程
Verification regulation of flutter meter 抖晃仪检定规程
Verification Regulation of Modulation Meter 调制度测量仪检定规程
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