完全垄断的厂商实现长期均衡的条件是 选项: A: MR=SMC B: MR = SMC=LMC C: MR= SMC= LMC=SAC D: MR =SMC= LMC= SAC= LAC 条件 垄断 厂商 发布时间:2024-06-10 11:53:56