zhexiegeidajiazhanshideshizhunbeicuchejiagongdesiliaokeliji，muxiekelijiyagunwaikepeiliao，womenkeyigenjuyonghudexuqiudingzuogezhongleixingdekelijihuanmoyagunpeijian，gezhongxinghaode，gezhongleixingde，yinweizhuanzhu，suoyizhuanye。