縫(feng)(feng)(feng)(feng)紉(ren)機(ji)一般(ban)(ban)是由(you)機(ji)頭、機(ji)座、傳(chuan)動和附件四部分組成，能縫(feng)(feng)(feng)(feng)制棉、麻、絲、毛、人造纖維等(deng)織物和皮革(ge)、塑料、紙張等(deng)制品，縫(feng)(feng)(feng)(feng)出(chu)的(de)線(xian)跡(ji)整齊美(mei)觀、平整牢(lao)固，縫(feng)(feng)(feng)(feng)紉(ren)速度快、使(shi)用簡便(bian)。通常分為鎖式(shi)線(xian)跡(ji)和鏈(lian)式(shi)線(xian)跡(ji)縫(feng)(feng)(feng)(feng)紉(ren)機(ji)兩類(lei)，鎖式(shi)線(xian)縫(feng)(feng)(feng)(feng)紉(ren)機(ji)線(xian)跡(ji)分布(bu)密實，縫(feng)(feng)(feng)(feng)紉(ren)的(de)牢(lao)度一般(ban)(ban)超(chao)過手工縫(feng)(feng)(feng)(feng)紉(ren)，鏈(lian)式(shi)線(xian)跡(ji)富有彈性，能隨縫(feng)(feng)(feng)(feng)料一起伸(shen)縮而不會崩斷縫(feng)(feng)(feng)(feng)線(xian)，適用于(yu)彈性織物的(de)服(fu)裝。【詳(xiang)細>>】