Y301B型条粗测长机 Y301B Silver & Roving Length Tester 用于摇取棉、毛、绢等条子和粗纱一定长度,确定其均匀度。 Used for rocking stated length of cotton,wool and spun silk siver or roving,and to measure its evenness. 适用标准:仪器符合国内外常用测试标准。 Standards:The instrument is in conformity with the foreign and do-mestic normal standars.