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矿用液压支架立柱、千斤顶的缸径、柱径系列
价格：￥0.00
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气垛支架
Peneumatic support
价格：￥0.00
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水泥锚杆.卷式锚固剂
Cement anchor bolts-Cementitious anchoring capsule
价格：￥0.00
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煤矿用防爆柴油机钢轮/齿轨机车及齿轨装置
价格：￥0.00
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煤矿锚杆钻机用回转钻杆
Rotary drill rod used for coal mining roofbolter
价格：￥0.00
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焊接结构软岩钻杆与钻头
Welded drill rod and bit for low-compressive strength rock
价格：￥0.00
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