code: func (m *Potassium) EachDivision(nodesInfo []types.NodeInfo, need, limit int) ([]types.NodeInfo, error) {
  	return AveragePlan(nodesInfo, need, limit)
  }
docs: // EachDivision deploy containers by each node
  // 容量够的机器每一台部署 N 个
  // need 是每台机器所需总量，limit 是限制节点数