lead covering的意思|示意
铅盖
lead covering相关短语
1、 lead covering press 压铅机
2、 lead covering technique 铅覆盖技术
3、 liquid lead covering agent 液铅覆盖剂
4、 lead liquid covering flux 液铅覆盖剂
5、 lead liquid covering agent 铅液覆盖剂
6、 agent covering lead liquid 铅液覆盖剂