PDF(3172 KB)
PDF(3172 KB)
PDF(3172 KB)
一种预先降低平板闸阀启闭力矩的新方法
A new method to pre-reduce the opening/closing torque of the flat gate valve
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |