needle-punched felt
... needle-punched nonwovens 针刺非织造材料 needle-punched felt 针刺呢 ; 针刺毡 needle-punched nonwoven 针刺法非织造布 ...
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医疗工作者被针刺伤的现象有多普遍呢？
How common are needle sticks among health care workers?
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