一级 – phrases

Terms for subject Ecology containing 一级 | all forms | in specified order only

Chinese	English
一级枝条	primary branch
一级标准物质	primary standard material
一级泵站	low-lift pumping station
一级海水水质标准	first marine water quality standard
一级消费者	herbivores
国家一级保护动物	first-grade State protection
国家一级环境空气质量标准	national primary ambient air quality standard
在地方一级知道和做好工业事故的准备	awareness and preparedness for emergencies at local level
污水一级处理	waste water lower class treatment
污水一级处理	lower class treatment of wastewater
生活饮用水地表水源一级保护区	first-class protection zones for surface domestic and drinking water sources