Causes of neps and influences of maturity and fineness of raw cotton, quality of cotton ginning, opening and cleaning, carding and combing and so on processes on neps are analyzed.
文中对棉结的成因、原棉成熟度、细度、轧棉质量、开清棉、梳棉及精梳等工序对棉结的影响进行了分析。
The arrival of Europeans in America, and the opening of huge farms and plantations to grow cotton, fruit and vegetables, meant there was an immediate need for people to work on them.
欧洲人来到美洲，大的农场和种植棉花、水果和蔬菜的种植园的开垦，意味着对劳动力的亟待需求。
The method comprises the steps of opening, blending, cotton vibrating, carding, web forming, drying, shape setting, splitting and finished product rolling.
其制造方法包括开松→混和→振棉→梳理→铺网→烘干→定型→分切→收卷成品；
The aphid size at the cotton seedling, budding and boll setting stages was not significantly different in Nanjing, 1999. But in the boll opening stage the aphid size became smaller.
1999年江苏南京在棉花苗、蕾和铃期，棉蚜体型大小无显著差异，但到吐絮期后则显著变小。
The aphid size at the cotton seedling, budding and boll setting stages was not significantly different in Nanjing, 1999. But in the boll opening stage the aphid size became smaller.
1999年江苏南京在棉花苗、蕾和铃期，棉蚜体型大小无显著差异，但到吐絮期后则显著变小。
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