常見例句But it has low melting point and sintering point,when it is used to extinguish a fire,it can rapidly decompose to form a layer of film, which can cover the surface of comburent and make the fire . 但低聚磷酸銨具有較低的熔點(diǎn)和燒結(jié)點(diǎn),用來滅火時(shí)能迅速分解形成膜層覆蓋于燃燒物表面使火焰熄滅。Keywords oxygen-rich technology with filtration film comburent; 關(guān)鍵詞膜法富氧;助燃;comburent = comburant 燃料 返回 comburent