皮带机传动滚筒未包胶或胶皮损坏，容易造成皮带（）。 ["跑偏","打滑","撕裂"]
Refer to the exhibit. Which interoperability technique implemented on the dual - stack routers would allow connectivity between IPv6 sites across automatic created tunnels using the 2002::/16 prefix? （） [" Dual Stack"," NAT - PT"," 6to4 tunnel"," GRE tunnel"," ISATAP tunnel"]
任何单位和个人不得（）特种设备事故报告、调查和处理工作。 ["阻挠","阻挠和干涉","干涉"]
提供居家护理的护士应该具备哪几方面的能力？
党的“四项基本原则”的核心是（）。 ["坚持社会主义道路","坚持共产党的领导","坚持马克思列宁主义毛泽东思想"]
论述多缸柴油机的喷油泵应满足的的要求
