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工学
压实机械
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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。
工学
[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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site of the August1 Uprising Headquarters
site of the August7 Conference
site of the Autumn Harvest Uprising Revolutionary Armies Joining Forces at Wenjiashi
site of the Central Committee of Chinese Communist Party at Xibaipo
site of the Central Organ,Chinese Socialist Youth League
site of the Central Plains Bureau,Central Committee,Chinese Communist Party
site of the Chaya Mount Satellite People's Commune
site of the Chinese National Federation of Trade Unions
site of the Concentration Camp“Sino-American Cooperation Organization”
Site of the Eight-Power Allied Forces Military Camps at Shanhaiguan
Site of the End of the Ming Dynasty's Battlefield at Jiangkou of Pengshan
Site of the Fifth National Congress of the Chinese Communist Party
Site of the first Iron Man Oil Well
site of the First National Congress of CPC
site of the First National Congress of the Chinese Nationalist Party
site of the first Nuclear weapon development base
site of the Guangzhou Commune
Site of the Guge Kingdom
site of the Gutian Conference
Site of the Head Office of People's Bank of China
site of the Huangpu Military Academy
site of the Inaugural Meeting of Government of Inner Mongolia Autonomous Region
Site of the Jin State at Houma
site of the Jintian Uprising
Site of the Liping Congress
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更新时间:2026/7/7 16:57:37