Changyang County has conducted tests in building ridges of terraced fields, earth sunningground and roads by using the solidifying agent.
长阳县对运用该固结剂修筑梯田土坎、土质晒场和道路的效果进行了实验。
2
The utility model relates to a rainproof automatic covering for sunning grounds, which discloses a rainproof automatic device for sunning articles on the sunningground.