scrapper

1. This shall erect bell cleanup scrapper in front of belt-drive roller, so that this clean up crude coal adhered onto belt.
   皮带驱动辊筒前安装有皮带清洁刮板，清除粘结于皮带上的原煤。[谚]清洁近乎圣洁。
2. The application of scrapper thin film evaporator on the production of epoxy
   刮板薄膜蒸发器在环氧树脂生产中的应用
3. The structure and principle of a high efficiency evaporator& scrapper thin film evaporator and the application situation on the production of bisphenol-A type epoxy was recommended.
   介绍了一种高效蒸发设备&刮板薄膜蒸发器的结构、原理以及在双酚A型环氧树脂生产中的应用情况。
4. The scrapper is made of rigid alloy material and its bottom is zigzag.
   刮刀采用硬质合金材料，底部为齿形，与架体采用螺栓联接，便于更换。

noun

1. someone who fights (or is fighting)

   Synonym:    combatantbattlerbelligerentfighter