Downtonn.唐顿
downadv.向下prep.沿着 ... 而下adj.向下的;消沉的;无礼的n.绒毛;汗毛v.击倒;打败;吞下;被抑制
downsampling differential detection降采样差分检波
downhole submersible reciprocal pump井下电潜式往复泵
downhole casing corrosion prevention油套管防腐
Downhole vibrating wire strain gauge井下振弦压力计
down-regulated express cell strains低表达细胞株
downlink and uplink bandwidth control上下行带宽控制
downhole operation information system井下作业信息系统
downhole oil-water separation system井下油水分离系统
Downhole axial flow turbine-pump unit井下轴流涡轮泵
down path equivalent system temperature下行线路等效系统温度