Using polyester as needle thread and elastic thread as looper thread Utilizing varied modal cams,andcombining these cams with ornamental thread,could create the varied smocking patterns.是什么意思_Using polyester as needle thread and elastic thread as looper thread Utilizing varied modal cams,andcombining these cams with ornamental thread,could create the varied smocking patterns.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句