1.The technologies include prewashing before sizing of filament yarns, high speed, sizing, drying, and development of new sizing agent.
该课题包括长丝纱上浆前的预洗除杂、高速上浆、烘干,以及新型浆料的开发。
2.Prewashing includes washing each bottle with a water jet.
预洗包括用喷水器给每个水桶进行冲洗。