1、
The completed Visual Acuity Record must be presented prior to taking CWI examination.
参加焊接检验师考试前必须出示完整视力检查报告.
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2、
CWI is caused by systemic hypotension, carotid stenosis or occlusion, microembolisn.
引起CWI病因有全身低血压, 颈动脉狭窄或闭塞, 微栓塞.
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3、
Applicants may submit completed visual acuity records at the CWI exam location.
应试者可于焊接检测师考场缴交视力检查报告.
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