退料英语怎么说

A material will yellowing above 60°C，we suggest that mix A and B as a proportion of 2：1，trying to make finished goods if in the field and is the condition of molding of mass production．If it doesn’t work，material returned．不知道怎么回事，英文分开了。

It includes works like materials planning ,controlling ,collecting, drawing, distributing,returning,dumping,checking as well as accounting and so on.

A will turn yellow when temperature is over 60℃. Our recommendation is to homogeneously mix A with B at the proportion of 2:1. Then,to confirm the finished color is within the color range and meet the requirements of mass production. If not available, please return the materials.