The portable signal lamp has the advantages of convenient use and various signals. The utility model can satisfy the requirement of multiple actual use.
该手提信号灯使用方便，信号多样，可满足多种实际使用需求。
The portable signal lamp has the advantages of convenient use and various signals. The utility model can satisfy the requirement of multiple actual use.
该手提信号灯使用方便，信号多样，可满足多种实际使用需求。
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