向旸与川圆合作-消防细水雾灭火系统 细水雾（water mist）灭火系统主要以水作为灭火物质，作用过程为利用压力及特殊喷头将水加压产生悬浮微雾（400...more
The BACnet International BACnet Testing Laboratories Working Group (BTL WG) invites manufacturers of BACnet products to attend the 16th annual Interoperability Workshop at The ...more