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M35含钴加长锥钻长杆麻花n钻头23.24.252628.30*400-450-500-600
M35含钴加长锥钻长杆麻花钻头23.24.252628.30*400-450-50.0-600
直销M35含钴加长锥钻长杆麻花钻头23.24.252628.30*400-450-500-6
M35含钴加长锥钻长杆麻花钻头23.24.252628.30*400Q-450-500-600
M35含钴加长锥钻长杆麻花钻头23.24.252628.30*400-4T50-500-600
M35含钴加长锥钻长杆麻花钻头23.24.252628.30*400-450-500-600
M35含钴加长锥钻长杆麻花钻头23.24.252628.30*M400-450-500-600
