折邊機定義

　　zhebianjicongshiduichanpindebianjijinxingchulidejixie。ruyizhongxuanyongduogongweixuanzhuanxunhuanfangfadelilizidonglidianchizhudongzhediefengzhuangzhebianji，jingguosangongweijianglilizidonglidianchijinxingzhebianfengzhuang，tongshimeigegongweiyouxuanyonglebutongshidiandezhebiandaoti，juyouchengbendi、功能穩定

、主動化程度高、調理方便等特點。