low NO低NOx燃烧
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- times test低倍检验
low speed encoder低速编码器
low impulsiveness低冲动
low pull out rate低拉引速度
low-K tholeiite低钾拉斑玄武岩
Low grade gold ore金矿
low-light source微光源
low speed emulsion低速摄影乳剂
low-profile tyre低断面轮胎
low cervical spine下颈椎