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- Worn or unbuffed top roller and eccentric top or bottom rollers. 上罗拉破损、上下罗拉偏心。
- Eccentric top and bottom rollers in ring spinning. 细纱机上下罗拉偏心。
- Wrong settings, improper roller coverings, eccentric top and bottom rollers. 工艺错误、皮辊（上罗拉）不合适、上罗拉和下罗拉偏心。
- This article analyses the present status of normalizing furnace of Wuyang,the effect of process temperature,furnace atmosphere,etc.on bottom roller and normalizing roller mark. 本文剖析了舞钢常化炉现状、工艺温度、炉内气氛等对炉底辊的影响以及常化辊印的产生;制定了措施;减少常化辊印.
- Bottom rollers eccentric and vibrating, and lapping on rollers. 下罗拉偏心和振动、罗拉间搭接不良。
- Deep groove ball bearing, insert bearing, angular contact ball bearing, four-point contact ball bearing, thrust bearing, automotive wheel bearing, needle roller bearing, bottom roller bearing for textile machinery etc. 深沟球轴承、调心球轴承、外球面轴承、角接触轴承、四点角接触轴承、推力轴承、汽车轮毂轴承和汽车专用轴承、滚针轴承和纺织专用下罗拉轴承等。
- Drafting bottom roller for bunching machine 合股机牵伸下罗拉
- Drafting bottom roller for cotton roving frame 棉粗纱机牵伸下罗拉
- Decelerator gears bottom rollers providing torsion moment for coiling sheet metal. 本机床结构紧凑，操作维修方便。
- Drafting bottom roller for untwisted cylinder roving frame 针筒式毛无捻粗纱机牵伸下罗拉
- Whole Casting Process of the High Manganese Steel Bottom Roller 大型高锰钢下滚筒的整体铸造工艺
- Improved design of base frame and bottom roller of bucket elevator 杓斗提升机机底和底滚的改进设计
- They sent the enemy ship to the bottom of the sea. 他们把敌舰击沉。
- The child was sitting on the bottom stair. 那孩子正坐在楼梯最下面的一级上。
- The ride on the roller coaster dizzied us. 乘坐云霄飞车使我们头晕。
- I intend to get to the bottom of it. 这件事我打算寻根究底。
- He was always bottom of the class in maths. 他的数学成绩在班上总是垫底。
- May I borrow your roller skates? 我可以借你的旱冰鞋吗？
- The dregs have settled at the bottom of the bottle. 渣滓都沉到瓶底了。
- Clattering along on roller skates. 踩着轮式溜冰鞋行进
