英语翻译
1.raisetheneedletoitshinghestbyturningthebalancewheel(20)towardyou.
2.raisethepresserfoot(12)byliftingthepressbarlifter(24)
3.loosenthepressfootthumbscrewandremovethefoot.
4.placethegroovedsideoftheselectedpresserfootagainsttheflatofthepresserbar.
5.fastenthethumbscrew.
越快越好!翻译好了有额外奖励!麻烦你们了!