ultrasonic prevention of scale 超声防垢
prevention of scale in boilers 防止锅炉内水垢的产生
methods of scale prevention 防垢方法
A survey by Hangzhou Center for Disease Control and Prevention shows that the scale of youth smoking is increasing and the age of people who smoke tends to be lower.
杭州市疾控中心调查发现,青少年吸烟比例逐渐加大,吸烟人群呈现低龄化的趋势。
We should scale up cooperation in disaster prevention and reduction, draw on each other's strengths and minimize the impact of natural disasters on the lives and property of our people.
加强防灾减灾合作,相互学习借鉴,降低自然灾害对人民生命财产的影响。
to act immediately to scale up the prevention and management of MDR-TB and start developing five-year national strategic plans for MDR-TB, embedded within national TB and health sector plans.
立刻采取行动,加强耐多药结核病的预防和管理,并开始制定与国家结核病和卫生部门计划相结合的国家五年耐多药结核战略计划。
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