藿香正气散的组成药物中不包括() ["大腹皮","半夏曲","苍术","橘红","茯苓"]
拟测设距离D=49.550m,两点间坡度均匀,高差为1.686m,丈量时的温度为27℃,所用的钢尺的尺长方程式为lt=30m+0.004m+0.0000125(t-20)×30m,则测设时在地面上应量多少?() ["49.546m","49.571m","49.531m","49.568m"]
一电动机的起动电流为20A,其起动阻抗应为()。 ["23Ω","30Ω","11Ω","15Ω"]
1911年公布的"十九信条"的特点是:() ["扩大了皇权","扩大了百姓的权利","缩小了国会的权力","扩大了国会和内阁总理的权力"]
电动机采用全压起动方式时,除其机械能承受电动机起动时的冲击转矩、电动机制造厂对起动方式无特殊规定外还应考虑下列哪一条件?() ["配电导线的截面","配电母线的电压降","保护电器的动作","电动机的温升"]
自动喷水灭火系统中湿式报警阀组的年度检测内容及要求有哪些?