双: two; twin; both; dual程: rule; regulation票: ticket是双程票: round-triticket往返票,双程票: return ticket; round-trip ticket单程票还是双程票呢: one way or a round trip ticket双程: double journey; double passing; double way ticket; exe( 452,k); return/round triticket; two pass; two-pass单程票: one way ticket; one-way round-triticket; one-way ticket; one-way triticket; open ticket; single journey ticket; single ticket, oneway ticket; single-journey ticket返程票: back round trip ticket; return ticket环程票: circular ticket回程票: homeward ticket; return ticket双程泵: double acting pump双程的: double pass双程式: two-pass type双程线: dual carriage-way单(双)程票: single (return) ticket单程票价: single fare; single journey fare当日返程票: day return计程票制: metered fare全程票价: full fare; through fare不定期回程票: open return部分航程票价: sectional fare滥发双程证: are abusive in issuing双程波场: two-way wave field双程布置: two pass arrangement