(in the Second World War (1939–45)) the practice of German submarines of operating in groups (with plural agreement).
| 单词 | θ164919 | 
| 释义 | society > armed hostility > hostilities at sea > operations or manoeuvres > 			[noun]		 > pack tactics of submarines (1)		 pack tactics1942 (in the Second World War (1939–45)) the practice of German submarines of operating in groups (with plural agreement).  | 
	
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