（四）在铁路、城市轨道交通线路上私设道口或者平交过道的。
A block has a storage capacity, and once it's used up, it can be closed and linked to a previously served block.
。关于这个话题，搜狗输入法2026提供了深入分析
（七）其他影响行政执法合法性、适当性的情形。
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