明挖爆破工程发出的信号为鸣10s、停、鸣10s、停、鸣10s,该信号属于( )。A、预告信号 B、准备信号 C、起爆信号 D、解除信号
明挖爆破工程发出的信号为鸣10s、停、鸣10s、停、鸣10s,该信号属于( )。
A、预告信号
B、准备信号
C、起爆信号
D、解除信号
B、准备信号
C、起爆信号
D、解除信号
参考解析
解析:【知识点】爆破作业。准备信号10分钟后发出,连续三短声,即鸣10s、停、鸣10s、停、鸣10s。
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