The methods are introduced of discriminating with visual sensing and hand feeling the weak twisting, strong twisting and weak coarse weft during corduroy production with 27.8 tex cotton yarn.

• 本文论述了以27.；8特纯棉纬纱加工灯芯绒织物时必须防止弱捻、强捻、淡粗纬等纱疵的产生；在坯布表面以手感与目视等手段区分上述疵点的方法。