同义词
1)medium expansion foam extinguishing agent,中倍数泡沫灭火剂2)high-expansion foam extinguishing agent,高倍数泡沫灭火剂3)high (medium) expansion foam fire fighting system,高(中)倍数泡沫灭火系统4)low-expansion foam extinguishing agent,低倍泡沫灭火剂5)High expansion foam fire extinguishments system,高倍数泡沫灭火系统6)extinguisher with high expansion of foam,高倍数泡沫灭火器
