《动车组列车服务质量规范》包裹套不定期清洗，保持干燥整洁。
1850 SS－320的主要业务板卡槽位（功能槽位）数量为（） 16。 24。 30。 32。
教育策划与教育决策的关系是怎样的？
The network administrator is trying to add Switch1 to the network， but the 802.1Q trunk is not coming up. Switch1 was previously tested in the laboratory and its trunk configuration worked fine. What are three possible causes of this problem？（） The trunking configuration mode on Switch1 is set to Off.。 The trunking configuration mode on the other end is set to On.。 The trunking configuration mode on the other end is set to Desirable.。 Cisco Discovery Protocol is not running on the other end.。 There is a VTP domain name mismatch.。 Switch1 does not support 802.1Q.。
旋流器是利用离心力分选末煤的设备，旋流器工作时，其轴心必须形成空气柱，底流必需以辐射（）排出。 伞状。 柱状。 无规则形状。
乘务员不执行值乘车门管理范围检查瞭望制度，属于（）问题。
