订单处置前置时间  order handling lead time

附属装置前灯  attachment front light

前导标  front leading mark

前导灯  front leading light

前置标记法  prefix notation

前置标志  label prefix

前置导孔纸带  advanced feed tape

前置导轮  front guide impeller; inducer

前置导叶  Guide vanes; guide vane

A-N无线电导航标杆  A-N radio range

导航标  beacon

导航标线  ling t line

导航标志  leading mark; range marker; clear mark [= clearing mark

导航标志系统  taxi sign system

导航灯  range light; leading light; navigation light; course light

地标导航  landmark navigation; ground marker navigation; piloting navigation; land mark navigation; earth-target navigation

叠标导航  Leading line Guidance

浮标导航系统  cardinal system

高功率无线电导航标杆  RA