因为会军官精通技能和步枪兵的战斗刀技能热键相冲突，所以将军官精通技能的热键更改为X。
Officer Proficiencies Hotkey changed to X , due to conflict with Combat Knife on Grunt .
一种具有双刃的用于徒手战斗的刀。
A knife with a double-edged blade for hand-to-hand fighting .
战斗刀