The utility model provides a post-positioned ditching tiller that is intermediately driven and relates to agricultural equipment. 本实用新型提供的中间传动后置式开沟耕作机涉及一种农业机具。
Cu-Pb-Zn ore bodies are located in outer contact zone of intermediately acidic granite(partially layered skarn) and the ore occurs as dissemination and fracture-filling. 铜铅锌矿体分布于酸性偏中性的花岗岩体外接触带中(部分为层状夕卡岩),呈浸染状赋于夕卡岩中或沿裂隙充填成矿。