大型养路机械作业区段两端及工务段作业范围的安全防护由机械段设置。
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()把数据从一个网向另一个网传送,使两个网在逻辑上看来像一个网。
A. 中继器
B. 桥接器
C. 路由器
D. 网关
What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals?()
A. RSTP information is automatically aged out.
B. The port sends a TCN to the root bridge.
C. The port moves to listening state.
D. The port becomes a normal spanning tree port.
下列何者与食品中的微生物增殖没有太多关系()
A. 温度
B. 湿度
C. 酸度
D. 脆度