multi-purpose dry chemical fire extinguisher

消防专业词汇英语翻... ... multi-occupancy building 多用途建筑 multi-purpose dry chemical fire extinguisher 通用干粉灭火器 ...

进出口... ... multi-purpose disk mill 多用盘式粉碎机 multi-purpose dry chemical fire extinguisher 多用干式化学药品灭火器 ...