service substance
英 [ˈsɜːvɪs ˈsʌbstəns]
美 [ˈsɜːrvɪs ˈsʌbstəns]
【化】工作介质
双语例句
- An in service valve suffering from Dezincification has a white powdery substance or mineral stains on its exterior surface.
应用中的阀门如果出现脱锌现象，在产品表面就会出现粉状物质或矿物污点。 - Customer satisfaction index is mainly determined by service quality of travel agency, the substance is to evaluate the service quality of travel agency.
顾客对旅行社的满意程度主要取决于旅行社服务质量的高低，评价旅行社顾客满意度的实质是评价旅行社的服务质量。 - Sport service price was a form of currency embodied by the special use value of non substance formation.
体育服务价格是体育服务市场中体育服务带来的非物质形态的特殊使用价值所表现的货币形式。 - Cities 'ecological niche is a result of a long evolvement and each ecological niche has formed an interdependent service chain, by which substance, energy and information are passed.
城市生态位是城市系统长期演化的结果，各个生态位形成了一个相互依赖的服务链条，在这个链条上传递着物质、能量和信息。