sight adjustment 对准调理sight bill 见票即付的单子sight bill 见票即付见票即付的单子、汇票等sight control 直视轨则sight distance 能见距离sight draft bill of lading 即期栈单sight draft 即期汇票sight draft 即期汇票见票即付见票即付的单子、汇票等sight draft 见票即付的单子sight entry 临时搜检报关单sight feed indicator 明给油滴提醒器sigh