问题:热泵型冷水机组制热时,室外热交换器()是正常的。...
Monday, September 12, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:蒸发式冷凝器中,制冷剂放出的热量同时由 ()和空气带...
Thursday, September 15, 2022
问题:我国市电三相四线供电系统能够提供220V、()电压。...
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:活塞式制冷压缩机的标准工况以及空调工况是用来测定压缩机()、额定功率。...
Monday, September 25, 2023
Thursday, September 15, 2022
问题:离心式制冷压缩机能量调节,常采用轴向两端支撑式转子进口能量调节机...
Thursday, September 15, 2022
问题:以下关于单级压缩制冷循环系统中,增设回热循环的说法正确的是()、...
Monday, September 12, 2022
Monday, September 12, 2022
问题:单相电动机电容起动运转方式的优点是:输出功率小,功率因数高。...
Thursday, September 15, 2022
Tuesday, December 5, 2023
Thursday, September 15, 2022
问题:离心式制冷压缩机能量调节,常采用轴向悬臂式转子进口能量调节机构。...
Monday, September 12, 2022
问题:中央空调的活塞式制冷压缩机吸气管在正常运行时()。...
Monday, April 10, 2023
问题:自动空气开关能对电气或电气设备起()、短路保护、分断、接通、缺相保护、漏电保护作用。...
Saturday, July 8, 2023
问题:阻抗复合式消声器系国际消声器之一,主要用于降低空调系统中()产生的噪声。 A、离心式风机B、水泵C、压缩机D、油泵...
Thursday, May 11, 2023
Thursday, September 15, 2022
Thursday, September 15, 2022