low DO低溶解氧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 - temperature heating低温供暖low - voltage power grids低压电网low-impedance measurement低阻抗测量low-temperature condenser低温冷凝器low temperature installment低温安装Loweporus fusco-purpureusn.褐紫洛伊菌Low temperature heat energy低温余热low back- ground baseline低背景值low water-level operation低水位运行low temperature accelerants低温促染剂