Explanation: Refers to a tactic. To some troops to attack the party guarding the town surrounded by the enemy and lure the enemy troops from other parts of rescue, and then to advance the main forces deployed reinforcements to annihilate the enemy. Usage: Joint type; as the predicate attribute; for military Source: Du Pengcheng "Defend Yan'an" Chapter V 'Weichengdayuan' approach, not often use it? "