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coal and rock support machinery
释义
coal and rock support machinery
Encyclopedia
工学
煤岩支护机械
释
coal and rock support machinery
煤岩支护机械
支撑和维护工作面空顶区顶板，为采煤创造安全作业空间的设备。
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right cancellation law
right cancellative groupoid
right cancellative semigroup
right censored data
right-censored data
right chain ring
right circular cone
right circular cylinder
right-circularly polarized light
right closed martingale
right coherent ring
right comaximal elements
right commom iliac vein
right commutator
right comodule
right compatibility
right compatible relation
right complete category
right completion
right composition algebra
right condition
right cone
right congruence
right congruent element
right conoid
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更新时间：2025/12/17 9:41:37