墙上不同寻常的控制板引起了我们的注意.The unusual control panel on the walls caught our attention.它的中心部件是位于地面两级台阶之上的调度台上的通讯控制板.Its centerpiece was a communications console on a dais two steps above floor level.你按了后控制板或者厨房的按键了 吗 ?Are you pr...
The trickling stream glistened in the sunlight.涓涓溪流在阳光下闪闪发亮。The nitrogen source's effects on the purification performance of air phase trickling biofilter are significant.氮源对于气相生物滴滤床的净化效果有显著的影响.The trickling filter ...
He described the difficulties of surviving for four months as a captive.他描述了被俘4个月里挣扎求生的艰难岁月。The election was held six months ahead of schedule.选举提前了6个月举行。The area has been the scene of fierce fighting for three months.这一...