Patients with mechanical valves must take blood - thinning medicines for life.

但接受机械瓣膜移植的患者需要终生服用抗凝血剂(薄血药物).

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Clothing industries, electrical and mechanical valves, corrosion lining tubes, electronic teaching aids and other industries.

工业有服装 、 机电阀门 、 防腐衬管 、 电子教具等行业.

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