Sunday, September 11, 2022
风机在运行中各轴瓦的温度应保持在正常范围内,不得超过()。...
Monday, September 12, 2022
Monday, September 12, 2022
Monday, September 12, 2022
强制润滑系统通常是由()、主油泵、辅助油泵、冷油器、滤油器、溢流阀、油压调节阀,管路辅件、压力表、事故油箱等组成。...
Wednesday, May 15, 2024
风机中的油封和气封往往是什么型式的密封,简述其工作原理。...
Sunday, September 11, 2022
已知某台风机的出口风温为160℃、出口表压力为180KPa,求其出口气体的绝对温度和绝对压力?<大气压力为101.3KPa>...
Sunday, November 26, 2023
Sunday, September 11, 2022
为了便于盘车下机壳内一般设置()。A、脚蹬B、人孔C、观察孔...
Sunday, August 6, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
Friday, April 12, 2024
Monday, September 12, 2022
离心鼓风机的性能曲线,是反映鼓风机性能参数之间()在曲线。...
Sunday, April 2, 2023
Sunday, September 11, 2022
Monday, September 12, 2022
Monday, September 12, 2022
Friday, April 12, 2024
Wednesday, May 15, 2024
炼钢生铁国家标准的含磷上限是()。A、0.25%B、0.30%C、0.40%D、0.45%...
Monday, February 5, 2024