lowway慢车道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 dose irradiation小剂量辐照low-energy X-ray低能X射线low expansion system低倍系统Low irrigation limit灌水控制下限low molecule dextran低分子右旋糖苷low temperature soil低温土壤low refractive index低折射率low alloy steel pipe低合金钢管Low - power design低功耗设计low frequency wonder低频漂移