4,4′-二胺甲基联苯搭桥的二苯并-18-冠-6环状二聚体的合成
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Practice of Producing Pure Cotton Superfine Yarn Using Pressure Bar Spacer
使用压力棒隔距块生产纯棉特细号纱的实践
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许多次,神经间隔垫可建设纳入矫正然后试图分开邻近跖骨,从而消除压力的神经,从而减少疼痛。
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AP轴承还集成了隔圈、密封、密封耐磨环、轴端盖、端盖螺钉、锁定板以及后挡环等部件。
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The present glass-spacers are classified as glass fiber spacer and glass ball spacer.
目前,液晶显示器所用的玻璃衬垫主要分为玻璃纤维衬垫和玻璃微珠衬垫.
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But the calculation of the baiting size of the baffle plate and spacer pipe is complex.
但是其折流板和定距管下料尺寸的计算比较复杂.
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Drag onto the page to add chamfered washer or spacer with adjustable inside and outside diameters.
拖到绘图页后,可以添加内径和外径都可调整的有切角的垫圈或垫片.
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Gas spacer is made go to the lavatory simply with outsole union operation suit big production.
气垫片制作简单与外底结合操作方便适合大生产.
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