斗轮及斗轮驱动装置只在斗轮堆取料机取料时才工作,斗轮堆取料机在堆料时处于()状态。...
Saturday, September 17, 2022
液压系统能否长期正常工作,除系统设计、元件质量及维护外,()是一个十分重要的原因。...
Wednesday, September 21, 2022
Thursday, September 22, 2022
Sunday, September 18, 2022
Wednesday, September 21, 2022
堆取料工必须熟悉堆取料机的()及操作方法,以及本机组其它配套设备。...
Wednesday, September 14, 2022
Thursday, March 2, 2023
Wednesday, September 21, 2022
Wednesday, September 21, 2022
填空题渐开线直齿园柱齿轮和斜齿园柱齿轮正确啮合的条件是两齿轮的模数相等、()。...
Tuesday, December 13, 2022
Tuesday, September 20, 2022
Thursday, June 1, 2023
钢绳芯的胶带机传动滚筒直径与带芯钢绳直径的比值应大于150。...
Thursday, September 15, 2022
Wednesday, September 21, 2022
对于容易产生静电的场所,应保持地面潮湿,或者铺设导电性能好的地板。...
Wednesday, September 21, 2022
判断题减速机的齿轮有裂纹和断齿时,减速机应报废。A 对B 错...
Friday, November 3, 2023
多选题胶带机在设计安装时就采取的防跑偏措施有()。A前倾槽型托辊组B滚筒组安装孔为长型孔C驱动滚筒D间隔安装自动调心托辊组...
Friday, August 25, 2023
判断题鳞状堆积方式可以降低原料粒度和成分的偏析。A 对B 错...
Wednesday, October 19, 2022