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- Infiltrator injection molds large chambers used in underground septic systems. 渗入注塑模具中使用的大型商会地下化粪池系统。
- The most common sources of nitrate are municipal and industrial wastewaters, refuse dumps, animal feed lots, and septic systems. 描述:最普遍的硝酸盐的来源是地方和企业的废水，垃圾排放，动物食物以及腐烂物。
- Helps emulsify and dissolve hydrocarbons, grease and other organic contaminants that clog pipes, drain lines, septic systems, wet wells, disposals, etc. 有助于乳化降解碳氢化合物，油脂类和其它有机污染物如堵塞管线，排水管线，化粪池系统，出水井，垃圾处理系统等。
- The poor performance of septic systems in sandy soils and in areas of karst topography is a clear indication that coastal regions require more advanced sewage treatment systems. 化粪池系统在砂质土壤和喀斯特地形的设置不当，明确显示海岸地区需要更先进的污水处理系统。
- The septic system industry is a fragmented one, filled with contractors married to the traditional gravel-style systems, and lots of mom-and-pop gravel pits for them to choose from, Newbold said. 化粪池系统的行业是一个零散的，充满了承包商已婚传统砾石式系统，以及大量的妈妈和弹出砂石坑让他们选择，纽伯德说。
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The drainage system has been aged. 排水系统已经老化了。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- He's mute on the subject of social system. 他对社会制度的问题保持沉默。
- He said he used this system in the year dot. 他说他很久以前用过这个系统。
- Our manager is conversant with account system. 我们的经理精通会计制度。
- The system can translate English into Chinese. 这个系统能将英语译为汉语。
- The caste system is still strong in India. 种姓制度在印度仍然很牢固。
- I can send him a note via the internal mail system. 我可以通过内部通信系统给他发个通知。
- A request for information from another system. 为查看另一系统中的信息而发出的一种请求。
