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单体支柱
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单体支柱
Encyclopedia
工学
煤岩支护机械
释
single prop
单体支柱
煤矿采煤工作面围岩支撑设备,支撑于顶板或顶梁和底板之间的单根杆状构件。
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Niger-Congo group
Niger Delta
Niger expelled the head of a French military advisory mission
Niger-France Corporation Agreement
Nigeria
Nigeria National Film Institute
Nigerian General Strike of 1945
Nigerian Literature
Nigerian National Museum
Nigerian People's Party
Nigerians
Nigerian Youth Movement
Nigerien Party for Democracy and Socialism
Nigerien Progressive Party
Nigeriens
Niger-Kordofanian
Niger River
Niger River Commission/Niger Basin Authority
Niger State
Niggli, Paul
Night and Fog
Night and Morning
night arc
night assistant
night blindness
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