plain black rubber 客人要求帽拉带上印花为plain black rubber,

plain black rubber 客人要求帽拉带上印花为plain black rubber, 请问plain black是什么颜色客户要个包,颜色是plain black,请问这是什么颜色? rubber Rubber rubber plain plain plain 请问纯咖啡到底是black coffee 还是plain coffee? He was wearing navy sweats with a plain black t-shirt 英语翻译please confirm you have done this in plain black and a light cofee brown colour? 英语翻译Page 2RECOMMENDED RUBBER FORMULATIONTHIS RUBBER FORMULATION WILL MEET OR EXCEED ASTM GRADE CALLOUT REQUIREMENTSRUBBER FORMULATION,ASTM D3189-99Ingredients PHRNipol 100.00Zinc Oxide 5.00Aminox 2.00SRF Black N774 25.00FEF Black N550 25.00Pl rubber是什么意思? rubber是啥米? rubber bands rubber是什么 rubber是什么 rubber是什么意思