常見(jiàn)例句It loses water and converts to pyrophosphate and metaphosphoric acid when being high-temperature heated.經(jīng)高溫加熱便失水生成焦磷酸和偏磷酸，長(zhǎng)時(shí)間受冷即生成結(jié)晶，有腐蝕性，易吸濕，密封保存。 返回 Metaphosphoric