计算题:有一个齿轮传动,小齿轮齿数76,大齿轮齿数304,求其传...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Sunday, September 11, 2022
块煤与空气接触面积小而且容易通风散热,自燃可能性较小还是较大?...
Friday, September 16, 2022
Thursday, May 16, 2024
Friday, September 16, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Monday, July 31, 2023
Friday, September 16, 2022
通过碎煤机的煤量不得超过设计出力,可以带负荷启动。()...
Friday, September 16, 2022
叶轮给煤机的滑差电机不易长时间低速运转,一般应在()转/分以上运...
Tuesday, September 13, 2022
Friday, September 16, 2022
程控值班员应重点监视:皮带电动机运行电流的监视、各种取煤设备和给...
Friday, September 16, 2022
Friday, September 16, 2022