题目内容

ProblemsCausesSolutions Washer Won’t start 1.Chesk the and breaker 2.Power cord may not be irmly plugged in the receptacle 1.Consult the seller 2.Make sure power cord is firmly connected What is Not supplied 1.Water tap may be closed. 2.Water supply is suspended. 3.Foreign matters may be ccumulated on the met in the mater inlet. 1.Turn on the water tap. 2.Clean the foreign matters on the net according to "maintenance". Water is not drained 1.Knob may be set to "Wash &Rinse". 2.Drain hose is not laid down. 3.Drain hose may be collapsed. 4.The lid may be open. 1.Set the knob to"Wash &Spin" . 2.Lay down the drain hose. 3.Contact the seller. 4.Close the lid. If the lid is(), the machine may not drain the water.

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某企业正在讨论更新现有的生产线,有两个备选方案:A方案的净现值为400万元,内含报酬率为10%;B方案的净现值为300万元,内含报酬率为15%。据此可以认定A方案较好。()

A. 对
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