A.開口B.引緯C.打緯D.送經(jīng)和卷取
A.經(jīng)紗受到各種機件的沖擊拉伸和反復(fù)摩擦B.未上漿經(jīng)紗毛羽較多，紗線易纏繞C.無捻或低捻長絲紗上漿后才可順利織造D.高速、高經(jīng)紗張力織造的需要
A.普通鋼筘B.異形鋼筘C.膠合筘D.焊接筘
