when we use metals it is important to know how they how they react with differet substans,for example,water and oxygen主谓宾补定状表分别是?求援助啊!急~~在线等~~~
问题描述：
when we use metals it is important to know how they how they react with differet substans,for example,water and oxygen主谓宾补定状表分别是?求援助啊!急~~在线等~~~
答