... 纱在线光机 thread polishing machine 纱线压片 thread presser 缝线尺码 thread size ...
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A graduated button on the thread clamp and a finger guard on the presser foot to make operation easy.
为方便操作，配置了有刻度的夹线按钮，压脚上装了为安全专设的挡指架。
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Atomatic thread trimmer, reverse-feed and presser foot lift.
采用自动剪线、倒缝、拨线提升压脚功能。
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