问题:柴油机排气微粒的采集系统可分为两种,即全流式稀释风道采样系统和分...
Thursday, September 15, 2022
问题:活塞环是具有弹性的开口环,有()和()两种。()起密封和导热的作用;()起布油和刮油的作用。气环的开口有();();()和()等四种形式。...
Wednesday, October 11, 2023
Thursday, September 15, 2022
Thursday, September 15, 2022
Friday, September 16, 2022
问题:对于四冲程内燃机而言,过大的进气门迟闭角,会使得在低速时发生缸内气流倒流入进气管的现象。...
Wednesday, October 11, 2023
问题:体积淬熄:发动机在在某些工况下,火焰()面到达燃烧室壁面之前,由...
Thursday, September 15, 2022
问题:汽车传动系统主减速器传动比选择时应该考虑哪些因素?...
Saturday, October 29, 2022
问题:在燃气涡轮发动机上,涡轮和压气机在构造上的共同点和不同点是什么?...
Thursday, September 15, 2022
Friday, September 16, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
Friday, September 16, 2022
Monday, September 12, 2022
Thursday, September 15, 2022
Monday, September 12, 2022
Thursday, September 15, 2022
问题:汽油机的稀燃技术虽能提高指示热效率但会引起氮氧化物排放的增加。...
Friday, September 16, 2022
Thursday, September 15, 2022
Sunday, October 23, 2022