... 钻石嵌入_Setting of diamonds 旋转指环_Spinning ring 华洛芙金丝编花项链及制作工具_Necklaces with tools ...
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RING SPINNING 环锭纺纱
ring spinning frame 环锭精纺机 ; 环锭缧和机
cotton spinning ring 棉纺钢领
living ring spinning machine 针排式细纱机
ring frame spinning 环锭式细纱
Conventional Ring Spinning 传统环锭纺纱
ring spinning process 环锭纺纱工艺
wet ring spinning frame 湿纺精纺机
At the centre of a Kerr black hole, there is no point singularity, but rather a ring singularity-a spinning one-dimensional ring held open by its own momentum.
科尔黑洞中心是不是奇点而是奇环-由自身动量维持的一维环形。它有两个视界(外部视界和内部视界)以及一个椭圆形的能层(ergosphere)。
Self - twist spinning produces yarns more cheaply than ring spinning and considerably faster with less labor.
自捻纺纱与环锭纺纱相比，成本较低，生产率高，而且节省人工。
Use of excessive draft in spinning preparatory and ring frames.
在纺纱预备阶段和纺纱设备使用大的牵伸。
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