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压路机
由一个或多个金属圆柱形滚子（滚筒）或橡胶轮胎组成的压实机械。通过压实装置的滚动和（或）振动压碎岩石，压实土壤、沥青混凝土或砾石。
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[纺纱主要机件]
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罗拉
纺织机械中起喂给、牵伸、输出等作用的圆柱形回转零件。
农学
镇压器
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镇压器
以重力作用于土壤，达到压碎土块、压紧耕作层、平整土地和保墒的目的等作业的机具。
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滚轮线，定幅曲线，定宽曲线
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elementary differential
elementary disjunction
elementary divisor
elementary divisor theorem
elementary domain
elementary education
elementary electric charge
elementary embedding
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Elementary Examination
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elementary excitation of electron lattice coupling system
elementary excitation of electron-lattice coupling system
elementary excitations in solids
elementary excitation spectrum
elementary excitation spectrum of liquid
elementary exitation of electron-lattice coupling system
elementary extension
elementary factor
elementary factor ideal
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更新时间：2026/7/5 12:45:47