Other expression · CEFR B2
pumper connection
other_expression
建筑物消防喷淋系统上的一个进水接口,具有两个或多个接头,消防车可连接水带向系统内加压供水
- 1.
an inlet on a building's fire sprinkler system with two or more couplings to which fire engines can attach hoses to pump water into the system
建筑物消防喷淋系统上的一个进水接口,具有两个或多个接头,消防车可连接水带向系统内加压供水
In use
The firefighter connected the hose to the pumper connection outside the building.
Dictionary facts from AI_SUPPLEMENT.