History of question #700754
| When | Who | Action | New State |
|---|---|---|---|
| Jan Stránský | Request for more information | Needs information | |
| 孙灿 | Give more information | Open | |
| Jan Stránský | Request for more information | Needs information | |
| 孙灿 | Give more information | Open | |
| Robert Caulk | Answer | Answered | |
| 孙灿 | Comment | Answered | |
| Jan Stránský | Request for more information | Answered |
