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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。
youdao
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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。
youdao