飞天小杨杨
锁眼缝纫机:button holing sewing machine锁眼缝button holing sewing 双重环弯针机构 double looper means套结缝纫机:bartacker套结固定缝narrowing/casting off with bowline knots
midnightdq
分别是：平缝机Sewing Machine 电脑平缝机Computer sewing machine 三线包缝机Three-pack machine 四线包缝机Four-pack machine 平双针不会翻译 绷缝机Stretch sewing machine 锁眼机Keyhole machine 钉扣机Dingkou machine 打结机Tie a knot machine 裁剪机Cutting Machine熨烫机Ironing Machine
鑫宝贝66
arm车身arm shaft主轴balance wheel / hand wheel扳轮/尾轮bed车台bed shaft底轴bobbin winder绕线器face plate门盖knee lift抬脚器thread stand线架bobbin梭心bobbin case梭匣bobbin case latch梭匣柄bobbin case tension spring梭匣簧feed dog狗牙器needle bar针把needle clamp针夹presser bar lifter手抬压脚presser foot压脚stitch regulator针步调节器throat plate / needle plate喉片thread guard护线器thread guards / eyelets导线器thread take-up跳线器tension devices / tension disco夹线器oscillating shuttle来回式梭仔rotary hook旋转式梭仔
优质英语培训问答知识库
