混凝土的钢筋腐蚀损坏
steel corrosion damage of concrete
1Cr13不锈钢的腐蚀
corrosion of 1Cr13 stainless steel
表土的腐殖质含量
humus content of topsoils
不同秸秆基质的腐熟
Composting of Different Stalks Substrates
地下水的腐蚀性
underground aqueous causticity
核子反应器腐坏
nuclear reactor poisoning
褐煤中提取的腐植酸
Humic acid extracted from brown Coal
喉和气管及肺的腐蚀伤
Corrosion involving larynx and trachea with lung