7个三中三复式几组简介：Moreover, he had heard that the Prince of Ruishan came forward to forge iron tools and rent oxen for the people to clear wasteland and farm. This would consume more water. When they were finished, where would they be left with?
Moreover, he had heard that the Prince of Ruishan came forward to forge iron tools and rent oxen for the people to clear wasteland and farm. This would consume more water. When they were finished, where would they be left with?
