推车式干粉灭火器“瑜宇牌”推车式干粉灭火器以碳酸氢钠为灭火剂。

"Yuyu" pushing cart type dry powder fire apparatus USES sodium bicarbonate as the extinguishing agent.

youdao

推车式干粉灭火器“瑜宇牌”推车式干粉灭火器以碳酸氢钠为灭火剂。

"Yuyu" pushing cart type dry powder fire apparatus USES sodium bicarbonate as the extinguishing agent.

youdao