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凿岩钻机
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凿岩钻机
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工学
机械式打桩机
释
rock drill
凿岩钻机
安装有回转钻进机构或凿岩机,在岩石或混凝土等脆性材质上凿孔的机械。
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steel portal frame
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steel ratio coefficient
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steel reinforced concrete composite column
steel rope for mine
Steel Sabre Inscribed with CharactersSa Lian from Cangshan
Steels Arrowheads of Cast Iron Decarburized in Solid State from Han Dynasty Tomb at Mancheng
steel ship
steel slag
steel sleeve extrusion machine
steel sticking on gun
steel strip
steel structural member
steel structure
steel structure assembling
steel structure installation
steel structure painting
steel structure staggered truss framing structure system
steel support
steel target testing
steel tension bar
steel thread forming machine
steel track beam
steel truss
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