What is the purpose of the inverse ARP?()
A. to map a known DLCI to an IP address
B. to map a known IP address to a MAC address
C. to map known SPID to a MACaddress
D. to map a known DLCI to a MAC address
E. to map a known IP address to a SPID
F. to map a known MAC address to an IP addre
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WCDMA业务生活商务类包括:()、手机搜索、即时通信等;
货物列车每百吨列车重量的高摩合成闸瓦压力最低为()kN。
A. 200
B. 230
C. 260
D. 180
吊装柱子时,首先将柱子中线对准杯口上的轴线,而后轻轻放下。
A. 正确
B. 错误
桩全身都在软弱土层中,荷载主要由桩侧的摩阻力承担的是()。
A. 摩擦桩
B. 端承桩
C. 预制桩
D. 灌注桩