low end低端； 低档lowadj.低的；少的；低落的；低声的；卑劣的；低等的adv.低地；低声地；低下地；廉价地n.低水平；低价；低谷v.哞哞叫low-frequencyelectronicstimulatior低频电刺激器low-temperature hydrothermal fluid低温热液流体Low Molexular Weight Heparin Calciumlow-grade oxidized lead-zinc ore低品位氧化铅锌矿low erucic and glucosinolate content双低low intensity magnetic heneficiation弱磁选Low-Density Parity-Checked Codes低密度校验码low sintered composite contact metal低温烧结的复合电触头合金low-voltage electric current pulse低压脉冲电场low-temperature surface insulation低温表面隔热层