答疑：这种是什么情况下才要算回填

提问网友：yu
提问日期：2026-01-15 17:10:34

                                                                                                                                                                                                                                                                                   

---

解答网友：执伞

白银专家

升降板位置

解答网友：酸橘子

专家

筏板存在高低差的时候