mianduixianweikaiguan，zuobiandelianggejiexiandianjiekongzhidianjixiajiangdejiechuqixiaduan，youbianlianggejiexiandianjiekongzhidianjishangshengdejiechuqixiaduan。lianggejiechuqitongyixiangxudegonggongxianjiexianweikaiguanzhongjiansangejiexiandianzhongjiandenage，dianjixianjiedaozhongjiansangejiexiandian。