录像机主导轴伺服系统中速度伺服电路的主要功能是() ["A、稳定主导轴的正确转速","B、稳定视频磁鼓的正确转速","C、稳定主导轴的正确转角","D、稳定视频磁鼓的正确转角"]
()儿童电视木偶连续剧《黑旋风李逵》共几集? ["五","八","十","十二"]
()香港邵氏电影公司1961年最早拍了何部“水浒片”? ["《阎惜娇》","《潘金莲》","《林冲夜奔》","《快活林》"]
()以下哪个住宿或旅游景点,郓城县没有? ["宋江大酒店","及时雨茶楼","宋江武馆","宋太公庄园"]
()以下哪个旅游景点阳谷县没有? ["王婆茶馆","武大郎烧饼铺","西门庆药铺","潘金莲故居"]
细度筛筛孔尺寸的表示方法?