washover string shear-interlocking block的意思|示意
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清洗管柱剪切联锁块
washover string shear-interlocking block的网络常见释义
套铣管剪切衬套 ... shear test block 剪切试件 washover string shear-interlocking block 套铣管剪切衬套 block shear 钢坯剪机 ...