aHydrant water gun nozzle 消防栓水枪喷管[translate] a酒 店大堂 Hotel great hall[translate] awelcome to CHOOSE socks and buy , lt is looks beautiful ,it very comefutabl 欢迎选择袜子的和购买, lt是看起来美好,它非常comefutabl[translate] ...
The traditional type of snow gunproduces water dropletsby combining cooled water and compressed air. On a ski slope, you'll notice that these guns are attached to two different hoses that run to air and water hydrant stations, respectively. The hydrants are hooked up to two different lines w...