lowingn.牛鸣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 light level vision CCD微光视觉电荷耦舍器Low temperature cold start冷起动low-pressure type burner低压燃烧器Low Frequency Active Sonar低频主动声呐low level equilibrium trap低水平均衡陷阱low-level milking system低地品种low temperature air supply低温送风Low voltage switch cabinet低压开关柜lowest quotation C.I.F最低到岸价low pressure wet gasholder低压湿煤气罐