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锚杆孔凿岩
meaning in English
bolthole drilling
Related Words
鼻中隔凿
凿尖
胸骨凿
凿密
凿成
炳炳凿凿
锤凿
斜边凿
木凿
平头凿
锚杆静压桩托换
锚杆孔
锚杆喷射混凝土支护技术规范
锚杆球头
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