[单选] 根据GB/T12243－2005《弹簧直接载荷式安全阀》的规定，介质为蒸汽的安全阀整定压力大于0.3MPa时，密封试验压力为（）MPa。

When troubleshooting an EIGRP connectivity problem, you notice that two connected EIGRP routers are not becoming EIGRP neighbors. A ping between the two routers was successful.What is the next thing that should be checked?（） Verify that the EIGRP hello and hold timers match exactly.。 Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP peer command.。 Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP traffic command.。 Verify that EIGRP is enabled for the appropriate networks on the local and neighboring router.。 试析欧阳修的《朋党论》是如何进行对比的。 （）应当为施工现场从事危险作业的人员办理意外伤害保险。 施工单位。 建设单位。 监理单位。 设计单位。 坚持（）共同推进。 依法行政。 依法治国。 依法执政。 客流调查的形式有综合调查、节假日调查和日常调查三种。一般以节假日调查为主。 根据GB/T12243－2005《弹簧直接载荷式安全阀》的规定，介质为蒸汽的安全阀整定压力大于0.3MPa时，密封试验压力为（）MPa。