The rod was a bamboo pole, the hook was converted from a paper pin, the string was cotton sewing thread, the float pulled from a broom, and tooth-paste casing boiled and shaped into a plummet.
2
它是一台链式线迹缝纫机，纽洞的大小可以根据需要调节。
It is often a chain stitch machine and the size of the buttonhole can be altered to suit with requirements.
3
样品间里配备的工业用缝纫机，它们是锁式线迹缝纫机、包缝机、万能机等。
The sample room is equipped with industrial power machines: there are lock stitch, overlock, zigzag machines, etc.
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