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1·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。

2·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。

3·The gap is embodied by three shortages: shortage of aggregate housing supply, shortage of modestly and intermediately-priced houses and economic houses, and shortage of small and mid-sized houses.

主要体现在“三个不足”，即住房总量供应不足、中低价位住房和经济适用房供应不足、中小户型住房供应不足。