Rock occurrence flat, vertical joints of the development, the missing Quaternary glacial were good for the formation of this landform.
岩层产状平缓，垂直节理发育，第四纪冰期的缺失都为岩柱群地貌的形成提供了有利的条件。
To ensure the organization and performance of welded joints, we determined the best welding line energy range, and it provided a basis for the development of the correct welding parameters.
从保证焊接接头的组织和性能出发，确定最佳焊接线能量范围，为制定正确的焊接工艺参数提供了依据。
Promoting growth, helping deposition calcium and phosphate, promoting development of bone and cartilage, maintaining joints.
推进生长，协助钙磷堆积，推进骨骼及软骨发育，养护关节。
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