联通现网中常用的三种诺西的属于BSC3i的BSC有:() ["A、BSC3i660","B、eBSC","C、BSC3i1000/2000","D、FlexiBSC"]
离合器根据它的工作原理可分为()两种。
超大型油轮舷靠海上泊位,其入泊速度一般应小于:(). ["10~15cm/s","5~10cm/s","2~5cm/s","2~3cm/s"]
以下关于诺西BSC3i的OMU单元说法正确的是:() ["A、OMU单元不承载业务","B、OMU在BSC中没有备份","C、OMU提供人机接口","D、OMU管理ET"]
“图框精确剪裁”效果不能在下列哪些图形中操作?() ["直线","椭圆形","矩形","五角形"]
园林给水包括生活用水、养护用水、造景用水和()四种类型。