Zinc bi-chromate coated 是啥意思?

Zinc bi-chromate coated 是啥意思? Zinc bi-chromate coated 是啥意思?不要发广告：（ Black Zinc Chromate 是电泳黑色吗? ZINC PLATE.0005/.0007 THICK W/YELLOW CHROMATE 翻译：Finish：Zinc electroplating 8u MIN with bluish white chromate treatment 请问：Zinc clear chromate plate part after machining是指什么表面处理? 求五金机械加工翻译：part to be flash clear zinc chromate plated 0.0001thick 图纸中“black chromate 0.0001 thick zinc plate”,是否指电镀黑锌? 有一款通用的产品要求:finish:0.0002 zinc with chromate coating (GE #F70B4A2),是要求环保镀锌吗? 翻译表面处理要求：zinc plate per astm B633 fe/zn8 type 111 black with trivalent chromate passivati 英语翻译rubidium sulphide,manganese(2)chloride,sodium oxalate,ammonium dichromate,zinc nitrate tetrahydrate,还有ammonium dihydrogen phosphate,calcium sulphite octahydrate,yttrium(3)chromate,nickel(3)chlorate trihydrate COA potassium chromate是什么意思 bi- zinc是什么意思 zinc是什么意思 英文翻译中文hard chromate ploating 机械图纸的英文技术要求1.Should be free from burrs &voids.2.Should be free from tooling marking.3.0.0127mm min zinc with yellow chromate.3a.Anneal:Temp 1250°F,belt speed-2min 00sec/ft travel nitrogen-250cu.ft/hr or 5min in a temp 1022-1076