| 释义 |
下部下部[xià bù]1.■underpart; bottom
常用词组1.■下部凹陷 undercut;2.■下部穿孔{计} underpunch;3.■下部辅助帆 drabbler; drabler;4.■下部结构 substructure; underwork;5.■下部境界线 open pit floor edge;6.■下部切割 undercut; undercutting;7.■下部扫描 lower scan; lower trace;8.■下部围护侧板 toeboard;9.■下部中甲板 lower between deck;10.■下部装载运输机 bottom-loading conveyer |