【简答题】6 The pot you saw had been in service for four years and showed very little wear(损,用旧) ( )
【判断题】如果空调系统低压和高压侧压力均过高,在低压侧的管路结霜或有大量的露水,则说明系统制冷剂可能加注过量。
【简答题】The pot you saw had been in
service for four years and showed very
little wear (磨损,用旧).
【单选题】The pot you saw had been for four years and showed very little wear.
【单选题】The pot you saw had been for four years and showed very little wear (磨损,用旧). ( )
【判断题】信用卡持卡人不需要为刷卡消费支付任何手续费。( )
【单选题】截止2018年,中国向丝绸之路基金提供了()美元的资金
【单选题】The pot you saw had been in service for four years and showed very little wear ( 磨损,用旧 ).
【判断题】如果空调系统低压和高压侧压力均过高,在低压侧管路结霜或有大量的露水,则说明系统制冷剂可能加注过量。