求翻译：从厨房排出的油烟通过管道进入油烟过滤网，由于这个安装有过滤网的机器长期堵塞，油烟排不出去。另一个机器内有排气扇，功能是把过滤网中的油烟通过风力抽到末端的排气管道。但由于机器使用时间太长，已经堵塞，需要拆卸下来检查及清洗，如果已经损坏，则需更换新的是什么意思？

Emission of smoke from the kitchen through the pipe into soot filters, long-term blocked the machine because the filters are installed, fume exhaust not out. Another machine with the exhaust fan, function is wind-powered pump to filter smoke through the exhaust pipe at the end. But because the machine time is too long, has been blocked, need to be removed to check and clean, if damaged, you may need to replace the new