underranv.在 ... 下面通过
underprep.低于;在 ... 下;在 ... 内;在 ... 控制下adv.在昏迷中;在 ... 下adj.下面的;从属的;少于的
under-compaction欠压实
underwriting cycle承保周期
under rnner huller底盘转动碾磨机
under-excitation欠励磁运行
underwood planting林下种植
underload syndromeph.
under my direction由我指挥
underactuated ship欠驱动船舶
under customs seal[法] 经海关盖章
underport flanging底孔翻边