No practicable substitutes for lead in the plating layer of high voltage diodes on the basis of a zinc borate glass body are available.
以硼酸锌玻璃体为基础的高压二极管的电镀层的铅的替代品仍然不切实际。
The additional light-emitting diodes are fixed to the light body in such a way that the optical axes thereof form a concentric light spot in the form of a ring around the main light spot.
多个附加发光二极管固定在照明本体上，以这样的方式它们的光轴形成一个环绕主照明区的同心环形照明区。
The main light-emitting diodes are fixed to the light body in such a way that the optical axes thereof cross the light axis in the center of a light spot.
多个主发光二极管固定在照明本体上，以这样的方式它们的光轴与光轴在照明区的中心交叉。
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