"A lot of stately homes will have that system," says Niki Johnson, fire systems technical adviser for the UK Fire Association, a trade body, and owner of fire detection firm Derventio Fire and Security. "You could be looking at £3-4,000 just to do a corridor." Such installations require substantial pipework, he explains.
ITmedia NEWS���[���}�K�W���ŐV�� �e�N�m���W�[�g�����h���T3�z�M。关于这个话题，搜狗输入法2026提供了深入分析
，更多细节参见heLLoword翻译官方下载
15:24, 27 февраля 2026Мир
（二）向境外单位转让的完全在境外使用的技术；。safew官方下载是该领域的重要参考