base fuze造句

• XM422 were fitted with a triple-deck mechanical time-base fuze.
• Ammunition was either common steel shell with a base fuze or shrapnel with a combination time / percussion fuze.
• One exception was the 1950s design US 8-inch nuclear shell ( M422 ) that had a triple-deck mechanical time base fuze.
• It is still a puzzling mystery as to why this problem was never addressed with a better base fuze or even removing the small HE charge in the rear of the round.