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To research the tribological properties of pivot jewel bearing,a kind of high-speed friction and wear testing machine was developed. 为研究枢轴宝石轴承的摩擦磨损特性,设计并研制了一种高速摩擦磨损试验机。
The pivot jewel bearing is optimized by the aidof Finite Element Method, the contact stress of three typesof bearings is obtained. 利用有限元法进行枢轴宝石轴承的结构优选设计,完成了三种结构的枢轴宝石轴承的接触应力对比分析。
TIANJIN WATCH JEWEL BEARING FACTORY 天津市手表宝石轴承厂
jewel bearing manufacturing equipment 宝石轴承生产设备
Our main product include cubic zirconia(CZ), synthetic ruby, synthetic sapphire, synthetic spinel, glass diamond, glass, jewel bearings, etc. 主要生产加工蓝宝石、红宝石、石榴石、白黄玉、紫晶、黄晶、茶晶、电气石、橄榄石、蓝宝石、红宝石、珊瑚等天然宝石；
jewel bearing manufac-turing equipment 宝石轴承生产设备
His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
The Structure Optimization of Ellipsoidal Pivot Jewel Bearing 新型椭球宝石轴承结构参数优选设计
A price of $1000 was set on the jewel thief's head. 悬赏1000美元抓住这个珠宝窃贼。
He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔，以便装一把新锁。
The duchess bedeck herself with jewel. 公爵夫人用珠宝装扮自己。
The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一个洞。
He locked up the jewel before going away. 他在离开以前把珠宝锁藏起来。
Stick your hand in and see what's in the hole. 把手伸进去，看看洞里有什么。
The book is the jewel of his collection. 这本书是他藏书中最珍贵的一本。
The dog skins through the small hole in the wall. 那条狗勉强钻过小小的墙洞。
The men in the hole sent up for more equipment. 在洞穴中的人们向上面要求再给他们一些设备。
The mice have nibbled a hole in the cheese. 老鼠在奶酪上啃出了一个洞。
Our factory can supply a great quantity exact jewelled bearing,like synthetic white corundum bearing, ruby bearing, sapphire bearing, agate bearing, be the same with apparatus and meter, etc. 我厂大量提供精密人造白刚玉、红刚玉、蓝刚玉、玛瑙轴承等宝石轴承,适用于仪器仪表等。具体尺寸可由客户提供。