边防线

biānfángxiàn

边防线 — biānfángxiàn

1. border defence line; frontier fortification

   军队加强了边防线的巡逻以防止非法越境。 jūnduì jiāqiáng le biānfángxiàn de xúnluó yǐ fángzhǐ fēifǎ yuèjìng — The army increased patrols along the border defence line to prevent illegal crossings.