A.0.50~0.75 B.0.75~1.0 C.1.0~1.25 D.1.25~1.50
A.縫制薄料要選用號(hào)數(shù)小的機(jī)針,縫制厚料要選用號(hào)數(shù)小的機(jī)針 B.縫制薄料要選用號(hào)數(shù)大的機(jī)針,縫制厚料要選用號(hào)數(shù)大的機(jī)針 C.縫制薄料要選用號(hào)數(shù)小的機(jī)針,縫制厚料要選用號(hào)數(shù)大的機(jī)針
A.設(shè)計(jì)序號(hào) B.家用 C.工業(yè)用 D.派生號(hào)