双语例句
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The back board is provided with a bore, and the lamp cap extends out form the bore.
在背板上设置有孔，所述灯头从所述孔伸出。
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Lamp cap, lamp cap assembly of lamp burner and lamp cap, and method for fastening lamp.
灯头，灯心和灯头的组合，以及灯的固定方法。
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The lamp cap can effectively avoid the loosening and falling-off of the pin, and the safety is high.
这种灯头能够有效避免销钉的松动与脱落，安全性高。
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