Long term use of drinking fountains without regular disinfection, bacteria and viruses will be two times the water pollution.
饮水机长期使用没有定期消毒，细菌和病毒也会对水超成二次污染。
In 4 hospitals without using disinfection protection of skin and mucous membrane, the incidence of SARS infection of medical and nursing staffs was about 20%.
对皮肤黏膜未进行消毒防护的4所医院，医护人员SARS感染发生率均在20%左右；
The plasma can be touched by bare hands and can be directed manually by a user to place it into root canal for disinfection without causing any heating, electrical shock, or other painful sensation.
这种装置产生的等离子体可以直接用裸手触摸，且能由使用者直接放入牙齿根管中来进行杀菌消毒，而不会导致过热，触电或者其它疼痛的感觉。
The plasma can be touched by bare hands and can be directed manually by a user to place it into root canal for disinfection without causing any heating, electrical shock, or other painful sensation.
这种装置产生的等离子体可以直接用裸手触摸，且能由使用者直接放入牙齿根管中来进行杀菌消毒，而不会导致过热，触电或者其它疼痛的感觉。
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