원자가,valence Edit Diff Refresh Backlink Random Search History Help Setting Hide Show Revision History Ver.DateChangesEditorCompare View 1.82023-02-06 17:27:32 +8-0user view source 1.72021-01-15 23:23:46 +1-1user7 view source diff 1.62020-10-21 23:46:18 +1-1user1 view source diff 1.52020-10-09 14:34:43 +5-2user1 view source diff 1.42020-10-09 13:43:18 +1-1user1 view source diff 1.32020-10-09 13:40:39 +20-1user1 view source diff 1.22020-10-09 13:35:52 +11-2user1 view source diff 1.12020-10-09 13:23:35 user1 view source diff