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
Thursday, September 15, 2022
问题:制冷空调的热交换器应选择()的材料来制作,有利于热量交换...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Thursday, September 15, 2022
Monday, April 10, 2023
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:制冷压缩机在实际循环中单位时间内从低压端输送到高压端的制冷剂气体...
Sunday, September 11, 2022
问题:冷库设备调试主要是调节()的开启度,控制制冷机供给蒸发器的流量。待调节稳定后,使冷库温度在设定的范围内波动。A、压力B、电流C、膨胀阀D、温度...
Thursday, August 3, 2023
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
问题:在仿制和修理零件时,根据实物画出的图称之为()。...
Sunday, September 11, 2022
Thursday, November 3, 2022
问题:物质的传热与该物质的表面传热系数(放热系数)成()...
Sunday, September 11, 2022
问题:空调器红外遥控发射电路,将指令进行编码后输出的是()。...
Sunday, October 2, 2022
问题:氨泵将来自低压循环贮液器的低压温氨制冷剂强行送入()。...
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: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