What is the correct way of using the universal adaptor ?
万能插座的正确使用方法是什么？
Gas and vacuum are preferably supplied by a universal adaptor universal adaptor.
气体和真空线路优选地由通用适配器提供。
The stamping pieces are mainly used for electrical fields as Mobile phones, Fax machines, Connectors, Plugs, Receptacle, adaptors, AC socket and Universal Adaptor.
冲压件主要应用在移动电话，传真机，连接器，插头，插座，适配器，交流电源插座和通用适配器的电气领域。
The stamping pieces are mainly used for electrical fields as Mobile phones, Fax machines, Connectors, Plugs, Receptacle, adaptors, AC socket and Universal Adaptor.
冲压件主要应用在移动电话，传真机，连接器，插头，插座，适配器，交流电源插座和通用适配器的电气领域。
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