螺旋拉紧装置 meaning in English
screw take-up
screw tensioning device
Examples
- Band conveyers used in fishery docks . essential parameters , dimensions and technical requirements of screw with slide jockey - pulley tensioner
渔业码头用皮带输送机.滑块式螺旋拉紧装置基本参数尺寸与技术要求