基本解釋[經(jīng)濟(jì)學(xué)]泡沫滅火器詞組短語(yǔ)短語(yǔ)foam annihilator foam extinguisher 泡沫滅火器foam annihilator更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)泡沫滅火器