reaching 在句中是什么意思? increasing the temperature on tray 14 can be expected to decrease the benzene in the column bottoms by increasing the fraction of the liquid reaching the bottoms that is vaporized by the reboiler and passes back up through the column trays. reaching,就是原意的到达的意思,只不过实际翻译中并不需要原样写出来,怎么合适怎么说 升高第14块塔板的温度将会减少塔底苯的量,这是由于增加了塔底液相重组分的比例,液相部分由再沸器气化并经过塔板回流 the fraction of the liquid reaching the bottoms:塔底液相重组分的比例查看更多