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1·The shading plate is assembled on the lamp holder and positioned between the illuminating part and the lens, and is used for shading partial light emitted by the illuminating part.

该遮光板组装在该灯座上并位于该发光件与透镜间，该遮光板用于遮挡发光件所发出的部分光线。

2·The utility model discloses a locked fluorescent lamp holder, comprising an existing fluorescent lamp holder assembled with an additional simple locking device.

本实用新型紧锁式日光灯座，是在现有的日光灯座上附加一个简单的锁紧装置而成。