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Terms for subject Explosives and Explosive Ordnance Disposal containing side road | all forms
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road side packing巷旁充填沿空留巷时,巷道采空区一侧进行充填形成条带的护巷方法
road side supporting巷旁支护沿空留巷时,在采空区一侧设置支护物的护巷方法
road side supporting巷旁支护沿空留巷时，在采空区一侧设置支护物的护巷方法

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