high up-front fee成本
high up-front development cost高前期投入
high-front shovel[机] 长臂挖掘机
High-specification front brakes高规格接待刹车
high-mid front vowel前高中二音;前次高元音
high-front moc toe loungers高面搭线便鞋
high-impedance receiver front end高阻抗接收机前级