采用雙齒差動(dòng)比,車縫時(shí)不起波浪。
采用簡(jiǎn)易調(diào)整差動(dòng)比,適用于各式大小松緊帶、泳裝、運(yùn)動(dòng)褲等。
Utilises twin differentials, which effectively prevents puckering
of fabrics differentials can be easily adjusted for swimming suit,
sport short...etc
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