煤样挥发分的测定温度为() ["A、815℃±10℃","B、105~110℃","C、800℃±10℃","D、900℃±10℃"]
GGSN及SGSN与CG间的接口为() ["Gc","Ge","Ga","Gf"]
灰分测定中,马弗炉应保持的温度是() ["A、810℃±10℃","B、800℃±10℃","C、815℃±10℃","D、825℃±10℃"]
上鱼尾板的注意事项有哪些?
Motorola的设备中,DHCP服务是在哪个设备上实现的:() ["GGSN","SGSN","ISS","DNS"]
钢筋混泥土轨枕是如何铺设的?