由于汽车弯道行驶的前轮轮迹大后轮轮迹小，出现轮迹内移现象，称为（）。
A. 平曲线
B. 竖曲线
C. 曲线加宽
D. 弯道超高
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空调制热一段时间后室内机为什么会停止送热风10分钟左右？是否出问题了？
路由器了解到，可以用来到达目的网络三种可能的途径。一条路线是从EIGRP和具有20514560.另一条路线的复合度量是从OSPF与782的度量的最后一个是从RIP-2的和具有4的度量哪个路线或路线将路由器安装在路由表？（）
A. the OSPF route
B. the EIGRP route
C. the RIPv2 route
D. all three routes
E. the OSPF and RIPv2 route
After fuel tanks have been topped off, which of the listed procedures should be followed next?（）
A. The pressure-vacuum relief valve should be reset
B. The tanks should be made seaworthy to prevent contamination
C. The tanks should be sounded to make sure the levels are not rising
D. The tanks should be marked with a bull stamp on the manifold filling valve
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