分类符 meaning in English

specificator
specifier

Concrete - complementary british standard to bs en 206 - 1 : method of specifying and guidance for the specifier
混凝土.对bs en 206 - 1补充的英国标准:分类符规定的方法和指南
Toxicity testing of fire effluents - guidance for regulators and specifiers on the assessment of toxic hazard in fires in buildings and transport
燃烧排出物的毒性试验.在建筑物或运输中发生火灾时评估毒性危害用调节剂和分类符的导则