When automobile emergency brake can play the separation role, prevents transmission systems and so on transmission gearbox to overload, plays certain protective function.
当汽车紧急制动时能起分离作用，防止变速器等传动系统过载，起到一定的保护作用。
Objective To explore the protective effect on acute experimental ischemic myocardium in mice by different elutes from macroporous resin for separation of Xiongqiong decoction.
目的研究芎汤不同提取部位对小鼠急性心肌缺血的保护作用。
A protective gas generation system is adopted with dissociation of liquid ammonia to get hydrogen and air separation to get nitrogen.
生产氢有多种方法：天然气的蒸气重整，水的电解，氨的分解，石油蒸馏和氯生产的副产品。
A protective gas generation system is adopted with dissociation of liquid ammonia to get hydrogen and air separation to get nitrogen.
生产氢有多种方法：天然气的蒸气重整，水的电解，氨的分解，石油蒸馏和氯生产的副产品。
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