求翻译：下层柱钢筋露出楼面部分，宜用工具式柱箍将其顺进一个柱筋直径，以利上层柱的钢筋搭接。当柱截面有变化时，其下层柱钢筋的露出部分，必须在绑扎梁的钢筋之前，先行收缩准确。是什么意思？

Steel columns exposed part of lower floor, it is appropriate tool type column into a hoop along the column reinforcement of its diameter, to facilitate the upper column of steel lap. When there is a change of column cross section, its lower part exposed steel columns, steel beams must be lashing bef

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The next story post steel bar reveals the floor part, along enters suitably with the tool type column band it a column muscle diameter, in order to help on story post steel bar joining.When the column section has the change, its under story post steel bar reveals the part, must in binds in front of

Lower column reinforcing steel exposed floor section, should be treated with tools of hoops to be Shun into-column a column reinforcement diameter for the benefit of the upper column rebar lap. When a column changes, the lower exposed portion of column bar, prior to binding beam reinforcing steel, s

Steel columns exposed part of lower floor, it is appropriate tool type column into a hoop along the column reinforcement of its diameter, to facilitate the upper column of steel lap. When there is a change of column cross section, its lower part exposed steel columns, steel beams must be lashing bef