low-z小红移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 heat pump低温热泵low-voltage equipment room低压设备间low distillation thermometre低温蒸馏温度计low temperature fermentation低温发酵low-differential saturator低差压式饱和器Low molecular weight subunit低分子量麦谷蛋白low bit-rate speech coding低速率语音编码low temperature chromatogram低温色谱low- voltage dectrie motor低压电动机low temperature and pressure低温热压