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1.Professional knowledge: Solid knowledge on NDT and Machinery, complete ability to read mechanical drawings，familiar with Penetrate Test and Eddy Current Test, has the qualification certificates.
专业知识：具有无损检测及机械专业基础知识，能熟练阅读机械图纸，熟悉渗透、涡流检测，并持有相关资格证书。收藏指正
2.direct dye
直接染料收藏指正
3.reactive dye
活性染料收藏指正
4.dye affinity
染色性, 染色亲合势收藏指正
5.dye stuff;
颜料收藏指正
6.disperse dye
分散染料收藏指正
7.dye intermediate
染料中间体收藏指正
8.vat dye
还原染料收藏指正
9.dye hair;
染发收藏指正
10.acid dye
酸性染料收藏指正
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