undertown.底流;退浪;下层逆流
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
underwent progressive stages of dementia.经历了精神失常由轻到重的发展阶段
under-reamed bored cast-in-place pile钻孔扩底灌注桩
under unconsolidated water-bearing strata松散含水层下
Under-skin grafting of contraposition bud对芽贴皮接
underdetermined blind mixing model recovery欠定盲信道估计
underdiversification in investment portfolio投资组合久分散化
under-water oxygen-arc cutting technology水下氧弧切割技术
underdrive-type double action drawing press底传动式双动拉伸压力机