low go低空飞过(目标等)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 quality fly ash低质粉煤灰low level sluiceway低水平面泄水道low-pressure zone低压异常带low cement castable低水泥浇注料low-level railway地下铁道low-delay traffic低迟延业务量low utmost humidity极限低湿low productive soil低产土壤lowest audible tone最低可听音Low Boron stression低硼胁迫