原料选择 meaning in Chinese

feed stock selection

In this text the influence of raw material choice on its knitting process and performance and appearance of raschel lace are discussed
文章叙述了原料选择对拉舍尔花边工艺编织、服用性能和外观效应的影响。
The quality issue generally existed in pickles were proposed according to microbiological contamination , materials choice , products browning and packaging
摘要主要从微生物污染、原料选择、产品褐变、成品包装等提出了酱腌菜产品普遍存在的质量问题。