常見(jiàn)例句Keywords esophageal cancer;total N nitroso compounds;N nitrosamino acids;correlation; 食琯癌;縂亞硝基化郃物;亞硝基氨基酸;相關(guān)性;nitrosamino","ONNH-"," 亞硝胺基"Nitrosamino 亞硝氨基nitrosamino group 亞硝胺基 返回 nitrosamino-