Root canal filling pastes for primary tooth have to meet more needs than paste for permanent tooth, such as being absorbed with root simultaneously and doing no harm to permanent tooth germ.
乳牙根充糊剂除需具有恒牙根充糊剂的特性外，还需具有充填后能与乳牙牙根同步吸收、对乳牙根尖周组织和恒牙牙胚无害等性质。
In this regard, blood collection point that health care workers, only the body but do not meet donation requirements will force blood to the body harm.
对此，采供血点医护人员表示，只有身体不符合献血要求却强求献血才会对身体造成伤害。
The first task for the leaders of the Group of 20, who will meet in London on April 2nd, will be to do no harm.
4月2日在伦敦开会的G20各国的领导的第一个任务，就是别作有害的事情。
If one plastic made product meet the following three conditions, we can say doubtless that it does harm to your health. Firstly, it contains some deleterious ingredients;
如果一个用塑料做成的东西，满足一下三个条件，那么它肯定对你的健康有不利影响：第一，含有有害成分；
If one plastic made product meet the following three conditions, we can say doubtless that it does harm to your health. Firstly, it contains some deleterious ingredients;
如果一个用塑料做成的东西，满足一下三个条件，那么它肯定对你的健康有不利影响：第一，含有有害成分；
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