Lowani罗维尼牌手表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 protect system低保制度low signature sign低特征信号low-sulfure fuel[化] 低硫燃料low-chrome steel低铬钢low pressure steam低压蒸汽low-energy solid低能固体low angle boundary小角晶界Low index surfaces低指数面Low dose urokinase小剂量尿激酶low-soda alumina低碱氧化铝