1. LT-7 rail-mounted wire feeder is a self-driven mechanized wire feeder, designed for submerged arc welding, with tracking. LT-7轨道式送丝机是一种自驱动机械化送丝机，设计用于埋弧焊，具有跟踪功能。它能自我导向并容易操作。
2. The paper described in detail the principle, performance and main features of the self-developed new heavy duty apron feeder. 详细介绍了自行研制开发的重型板式给料机的原理、性能参数及主要特点。
3. Each plug feeder module in the Solaris is fully self-sufficient and contains all necessary controls and supporting equipment. “睿思”里的每个短棒喂料模块完全独立，自带各种必要的控制器和支持设备。
英英解释
n.
1. a machine that automatically provides a supply of some material
