The invention relates to a tunnel-pattern reciprocating-type pickling phosphating automatic production line.

本发明涉及一种隧道型往复式酸洗磷化自动生产线。

youdao

The invention relates to a tunnel-pattern reciprocating-type pickling phosphating automatic production line.

本发明涉及一种隧道型往复式酸洗磷化自动生产线。

youdao