Roughing various outer annuluses stair的意思|示意
美 / /
英 / /
粗制各种外环楼梯
Roughing various outer annuluses stair的网络常见释义
粗车各外圆台阶 锻造 热处理 Forging heat treatment 粗车各外圆台阶 Roughing various outer annuluses stair 调质热处理 Quenching and tempering heat treatment ..