发布时间:2025-02-02 20:00:16
引孔深度就是预先成孔的深度。你们的塑料板打入深度是23m,引孔深度是12m,意思是说“先用机械或人工挖12米深,然后放入塑料板,再将剩余的11米打入”。因为成孔过程要比直接打入塑料板需要花更多的人工,所以报价单里每米单价要比塑料板高。
25平方米的客厅吊顶7型也就是给电视墙上和餐厅过道吊了点顶电视墙吊多款高合适
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