短语词组短语floor rigidness 楼板刚度rigidness missing 刚性缺失meshing rigidness 啮合刚度maintaining rigidness 保持刚性Rigidness of cat body 轿车车身刚度limited rigidness outrigger 有限刚度Flexibility and Rigidness 刚与柔 返回 rigidness