auxiliary winding-up roller
backed up roller leveller without pressure regulation
covering apron for take-up roller
plank for prop up roller
power-driven back-up roller
Building up a fortune for farmers
building up body qigong.Wuqinxi
building up fertility with organic materials
building up human resource
building up of national defence
Building up process of strong earthquakes
Building-up
上升
起键电压
增长
建成
安装
组成
建立
装配
堆焊
加强
组合式
建压
建造组成
起建电压
建起
上升周期