Employed semi-rotary large shuttle and hook to increase sewing efficiency.

采用半回转式大月眉与大梭心，提高车缝效率。

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While traditional electrical mechanical sewing machines can sew a different sewing track, but need highly experienced craftsmen, efficiency is not high.

传统的电动机械式缝纫机虽然也可缝制出各式花样，但是需要经验非常丰富的技工，效率也不高。

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This has improved the sewing quality of various filter bags, enhanced the efficiency and made the operation easier.

该机可提高各种滤袋的缝纫质量，提高效率，降低操作难度。

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