lowbelln.小铃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 resolution spectrometer低分辨率分光计low light level camera tube微光摄像管low temperatrue brittleness低温脆性low - grade manganese ore低品位锰矿low field magnetoresistance低场磁电阻low-temperature synthesis低温制备Low- pressure sodium lamp低压钠灯low pressure centrifugal fa低压离心通风机low-pressure polyethylene[化] 低压聚乙烯Lowe's oculorenal dystrophy