A.若抗震等级为一级,<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/170538515955657.png">
B.若抗震等级为二级,<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/170538515956780.png">
C.若抗震等级为三级,<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705385159585263.png">
D.若抗震等级为四级,<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/170538515963355.png">