lead-belt screen的意思|示意
美 / /
英 / /
lead-belt屏幕
lead-belt screen的网络常见释义
惯性圆盘式振动筛 ... lead screen 铅屏蔽 lead-belt screen 惯性圆盘式振动筛 lead-oxide screen 氧化铅靶面 ...