泥浆含砂量是指泥浆中不能过多少目筛网的砂子所占泥浆体积的百分数?
高位翻矸机司机操作前必须检查高位翻矸机的()、支座、转臂挡板、翻转液压岗、支承复位液压缸、()、推车机、()及操作台是否完好。 ["底座","阻车器","液压站","液压泵"]
当轴的设计直径为φ30,0.02,0.04时,该轴的实际直径应不大于()mm。 ["30;","29.96;","29.98;","29.94。"]
防止喘振有什么措施?
高位翻矸机司机必须熟悉翻车机的()、()原理。 ["性能","功能","液压传动","机械传动"]
含砂仪有哪些部件组成?