... penetrant materials 渗透材料 Entrapped penetrant 残留的渗透剂 fluorescent penetrant 荧光洗涤剂 ...
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Testing of penetrant materials 渗透材料的试验
new type penetrant inspection materials 新型探伤渗透材料
dye penetrant inspection materials 染料渗透探伤材料
Materials for penetrant testing 渗透检测用材料
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