短語詞組短語thread -tension control device 紗線張力控制器electronic thread -tension control device 電子式紗線張力控制器electro -mechanical thread-tension control device 電動式紗線張力控制器TIGHT THREAD TENSION 線太緊thread tension gear 線張力齒輪universal thread tension 通用線張力Thread tension support plate 壓線支板Needle thread tension 麪線張力Needle thread tension regulation 麪線張力調(diào)節(jié) 返回 thread tension