Several technical features are associated to the new torch design such as an automatic electrode change, a double flow gas nozzle and a push pull wire feeder.

与该焊枪相关联的几个技术特征有：自动更换钨电极、双气流喷嘴和推拉丝送丝机构。

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The utility model relates to a bipolar electrocoagulator which belongs to a medical apparatus. A double tube push-pull principal oscillation circuit is composed of a transistor.

本实用新型涉及双极电凝器，属于医疗仪器，由晶体管构成双管推挽主振电路。

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Double fixed distance laser heads, two -way moveable double laser heads, Automatic feeder, Infra-red positioning system, Push-Pull changing work table.

加装普通固定面积双激光头，互移双激光头，上料架，红外定位装置，左右推拉式工作平台。

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