当前位置: X题卡 > 所有题目 > 题目详情

The water in the fish tank should be changed at regular intervals.(  ) A.always B.sometimes C.regu...

查看本题答案

你可能感兴趣的试题

The domestic water  Bilge water  Oil transfer  The ballast  
A top tank  A head tank  A head valve  A drain tank  
the expansion tank is lack of water  the expansion tank is over flowing  there is something wrong with the cooling system  there is something wrong with the engine  
lack of care  old age  the small fish tank  lack of water  
a setting tank  a service tank  a head tank  an expansion joint  
forced circulating pump  compressed air  gravity tank  bead tank  
leaky pipe  opened inlet valve  too much water in tank  None of the above  
fresh water expansion tank  sea water expansion tank  thermostatic expansion valve  jacket water cooler accumulator  
little   a little   few   a few  
Faulty thermostatic bypass valve  Eroded zinc pencils in the heat exchanger  Steam formation in the expansion tank  Excessive leakage from jacket water pump seal  

热门试题

更多