另有超声波，真空袋封口机。
用柔软的干净纸张把铁观音包装好，放入塑料袋内，然后用封口机封住袋口。
With a soft, clean paper to Tieguanyin packaged, placed in a plastic bag, then seal the bag sealing machine.
袋口热合封口机，可同时缝制两条平行的双线链式线迹，具有更佳的密封性。
Model GK8-24 double-needle four-thread bag sewing closer adapted two paralleled double thread chain stitch with auto-cut system.
袋口热合封口机，可同时缝制两条平行的双线链式线迹，具有更佳的密封性。
Model GK8-24 double-needle four-thread bag sewing closer adapted two paralleled double thread chain stitch with auto-cut system.
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