The investigation and analysis are made on the natural braking in operation of very few cars with 104 type passenger car distribution valves and with electronic WSPs.
对装用104型客车分配阀且带电子防滑器的个别车辆在运行过程中发生的自然制动现象进行了调查与分析，并提出了相应的建议。
In 2004, the WHO Guidelines for Drinking water Quality recommended that water suppliers develop and implement "water Safety Plans" (WSPs) in order to systematically assess and manage risks.
2004年，世界卫生组织出版的饮用水水质指南推荐供水企业开发实施“水安全计划(WSPs)”，以便于系统性地评估与管理风险。
As the most popular wastewater treatment technology in the world, wastewater stabilization pond system (WSPS) will cause secondary environmental pollution if the seepage system isn't treated suitable.
稳定塘是目前应用比较广泛的污水处理技术，如果塘系统防渗处理不当，会导致地下水的污染。
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