Active standard
Active Standards(现行标准): ASTM Standards,收录12,000+ 现行标准
working standard
... workina ocular 观察目镜 working standard 工作标准,现行标准 work model 工作模型 ...
current standards
... current stabilizer 稳流器 current standards 现行标准 current strength 电流强度 ...
currently effective standards
...污水处理 sewage disposal, sewage treatment 先张法预应力 pretensioned prestressing 现行标准 currently effective standards 详图, 大样 detail drawing, detail 橡胶止水带 rubber waterstop ..