AUTOMATIC NEEDLE HEIGHT ADJUSTING MECHANISM depending on the stitching conditions, the needle height can be either manually or automatically adjusted within 10 steps for the optimum stitching.是什么意思_AUTOMATIC NEEDLE HEIGHT ADJUSTING MECHANISM depending on the stitching conditions, the needle height can be either manually or automatically adjusted within 10 steps for the optimum stitching.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句