估计等他硕士毕业他本科同学都有博士毕业给北大捐楼的了。。补充：17岁读大学，25岁博士毕业，高颜值医...
while oxygen-reduced air can obviously reduce the corrosion rate of pipes;The surface pipelines and injection wells don't need to consider about oxygen corrosion with no water,special materials and structure of pipe or corrosion inhibitor can be applied to...