标签：铁屋 - 澳大利亚华人论坛

请问图中的木墙和铁屋顶的屋子 (External Walls: Wood in all forms, including treated plywood and compressed wood products Roof: Iron, including steel and corrugated long-run)需要多久做一次maintenance? 大概需要多少钱呢...澳洲华人论坛