... qualified name ==> 限定名,当限名称,受限名=>修饰名 qualified operator ==> 合格操作工 qualified paragraph name ==> 限定段名 ...
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必须对操作工进行知识和技能的培训，经考核合格持证上岗。
To improve knowledge and skills, the operators must be provided with necessary training.
必须对操作工进行知识和技能的培训，经考核合格持证上岗。
To improve knowledge and skills, the operators must be provided with necessary training. Only those holding qualification certificates are allowed to work on relevant posts.
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