求翻译：但是，由于高层建筑楼层高、功能复杂、人员密集、设备繁多等特点，存在火势蔓延快、人员疏散困难、损失严重等问题。是什么意思？

However, due to the high floors of high-rise buildings, complex functions, personnel-intensive range of equipment features, the spread of fire, evacuation difficulties, serious losses and other issues.

However, due to the high rise building floors high, complex and labor-intensive, equipment selection, and other features, there is the fire spread quickly, and evacuating serious difficulties, and loss.

But, because high-rise construction building building store height, function complex, personnel crowded, equipment many and so on characteristics, the existence fire intensity spreads quickly, the personnel disperses the difficulty, the loss seriously and so on the questions.

However, because of the higher floors of high-rise building, complex, people-intensive, many devices and other features, the fire spread rapidly and evacuation difficulties, serious problems such as loss.

正在翻译，请等待...