操作单B维修压缩机离合器高级气候控制系统高级气候控制系统操作单A 车上空调保养培训S- 2WS-1培训 操作单A 车上空调保养如何分辨空调系统是R-134a还是R-12?如何分辨高压侧和低压侧的加注口?如何确定空调系统的制冷剂加注量?什么情况表明空调系统制冷剂回收完成?如果第一次制冷剂回收失败,下一步做什么?系统抽真空时,当真空度达到994kPa(295in-Hg)后,应继续抽真空多长
TEM 8Worksheet BListeningprehensionGeneral KnowledgeTranslation PRACTICE 1SECTION A MINI-LECTUREIn this section you will hear a mini-lecture. You will hear the lecture ONCE ONLY. While listening
Arabella The White House ,1600 Pennsylvania AvenueNW Washington DC20500 XXX SchoolGuangzhou, Guangdong ,ChinaDear all,I am Arabella I have a big family They are always very busy at the weekendMy gra
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