对，你的死亡人数更准确，两次坍塌共造成88人死亡. 不过工程师戒指不是用坍塌桥的建材做的。

https://www.thecanadianencyclopedia.ca/en/article/quebec-bridge-disaster-feature

https://ironring.ca/faq-en/

The iron rings are made under licence for the Corporation by a Canadian company. Contrary to a common misunderstanding, the iron rings are not made from the failed Quebec Bridge that spans the St. Lawrence River. 

现在的戒指也改良成不锈钢的了，不再是最初的铁质戒指