DDI is characterized by lower toxicibility, low vapor pressure, and insensibility to moisture,so its preparation of DDI is simpler and easier than that of IPDI (Isophoro-ne dissocyanate) and harmless to persons.是什么意思_DDI is characterized by lower toxicibility, low vapor pressure, and insensibility to moisture,so its preparation of DDI is simpler and easier than that of IPDI (Isophoro-ne dissocyanate) and harmless to persons.在线翻译_英语_读音_用法_例句