Be just nitrous acid because of the inner processing meat products has added a saltpetre , amine in meeting and leben forms sub nitramine , is cancerogen .
因为加工肉制品内添加了硝,也就是亚硝酸,会和酸奶中的胺形成亚硝胺,是致癌物。
The nitramine ethers perform two functions in the smokeless powder composition .