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单词
roof support mine roof support for longwall advancing
释义
roof support mine roof support for longwall advancing
[固定建筑物] 屋顶支撑,采取长壁开采法的矿井顶部支撑
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section start
section steel
section steel rolling mill
section sth off
section straightener
section straightening
section-straightening machine
section straightening machine
section stretching machine
section strip
section supervisor
section support
section surface
section survey
section switch
section switch trolley line
section symbols
section system
section table
section text
section theorem
section theory
section thickness
section through
section tool house
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更新时间:2025/11/21 21:03:13