Nested Formで動的に追加するフォームをテーブルに追加する ref: http://qiita.com/h-sakano/items/6409ddc22284e618d2b1

file0.erb

<table class="table table-responsive alias-table">
  <%= f.fields_for :part_number_aliases, wrapper: false do |pnaf| %>
    <tr class="fields">
      <td>
        <%= pnaf.text_field :alias_code, label: "氏名" %>
        <%= pnaf.text_field :alias_name, label: "年齢" %>
        <%= pnaf.link_to_remove 'ユーザー削除', class: "btn btn-default" %>
      </td>
    </tr>
  <% end %>
</table>
<%= f.link_to_add "ユーザー追加", :part_number_aliases, data: { target: ".alias-table" }, class: "btn btn-default" %>