试述在箱体镗削加工中,第一道工序粗基准的选择原则。
Multicast is being deployed in the network, and only ip pim sparse-dense mode has been configured on allinterfaces in the network to support a new video streaming application. No other multicast configuration wasapplied anywhere in the network. Since enabling multicast, the network monitoring tools show periodic spikes in link utilization throughout the network, even in areas where the video application is not being used.What could be a possible cause?() PIM sparse mode is being used.。 PIM dense mode is being used.。 The BGP multicast address family has not been configured.。 IGMP version 3 is being used.。 IP PIM neighbor filters have not been applied.。
岩石路基开挖的基本方法是:() 水夯法。 振动法。 爆破法。
在采掘工程平面图上,某段巷道各测点的标高数值相差很大,则可断定该巷道为:()。 平巷。 斜巷。 立井。 不能判定。
人员调动后,年薪假卡片未随人员及时调整,管理人员()。 红线。 通报批评。 失格。 降档。
农产品成本构成中,()不属于生产资料分摊费用。