A cylindrical device attached to a fishing rod to let out or wind up the line.
钩丝螺旋轮装于鱼杆上用来放出或收回鱼线的卷筒状装置。
An utterly new conception was proposed of a device on gathering and storing scattered wind power that exists in nature. Such economizing pick-up device can be equipped on the oil-extracting pump.
提出一种可以随机采集在自然界广泛存在的零星风力的装置，用于石油抽油泵的节能。
The wind eliminating device not only reduces the cost for producing electrical dust collectors, but also provides new technology proposal for speeding up the reform of old electrical dust collectors.
该装置不仅为制造电除尘器降低成本，同时，为加速老旧电除尘的改造，提供新技术方案。
应用推荐