1·Change oil of the redactor in the drive device annually.
驱动装置的减速器每年换油。
2·Features: automatic pneumatic braking, redactor beam doffing, adjustable warping speed, fully-enclosed circular frame and adjustable grade bars.
特性：整经下轴速度可调、自动气压制动、羊角可调、可变走丝量、电子计数、整经定长自停。