问题:氟利昂制冷系统采用的双级压缩制冷循环形式为()。A、一级节流中间完全冷却式B、二级节流完全中间冷却式C、一级节流中间不完全冷却式D、三级节流完全中间冷却式...
Thursday, August 3, 2023
问题:回转式制冷压缩机是通过()而产生容积变化制冷压缩机...
Sunday, September 11, 2022
Sunday, September 11, 2022
Monday, April 10, 2023
问题:直冷式家用电冼箱压缩机长时间运转,制冷效果差,不属于故障原因的是...
Tuesday, September 13, 2022
问题:铝、铜、铁、金四种金属具有相似的性质是()A、都是银白色的固体B、有导电性C、能和稀硫酸反应D、通常状况下能与氧气反应...
Friday, March 15, 2024
问题:在空间设置六个投影面,把要表达的零件置放其中,分别向六个投影面投...
Sunday, September 11, 2022
问题:制冷系统连接使用无缝钢管时,采用螺纹连接更为方便,更为理想。...
Sunday, September 11, 2022
问题:螺杆式冷水机组运行中,压缩油泵油封漏油,主要原因是()。A、油量过小B、油量过大C、油路堵塞D、磨损...
Sunday, March 17, 2024
问题:清洗制冷压缩机零配件应()进行清洗,零配件洗完后,应立即涂上冷冻机油。...
Monday, September 18, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:采用双级压缩制冷循环系统中,()制冷剂比较适合。...
Thursday, September 15, 2022
Thursday, September 15, 2022
Sunday, September 11, 2022
Thursday, September 15, 2022
问题:毛细管与膨胀阀统称节流元件,它把以蒸发器流出的高压制冷剂液体减压...
Thursday, September 15, 2022