Profession permitting system is an international system to authenticate the qualification of technicians.

职业准入制度是国际上通行的一种对技术技能人才的资格认证制度。

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Profession permitting system is an international system to authenticate the qualification of technicians.

职业准入制度是国际上通行的一种对技术技能人才的资格认证制度。

youdao