Twodotn.图多特(在美国；西经 110º04' 北纬 46º25')twonum.二；两个two-way joist双向梁two-fold yarn双股线two tone keying双音键控two-way valve两通阀,二路阀,双通活门,双通阀,二通阀two-hit model二次击中模型two-pass type双程式two-lobe pump双突瓣式泵two-tone suit鸳鸯色服装two-frequencyn.双频two speed motor双速电动机