你可以自己试试: 0 x5 g4 z% I# a0 G+ J ( w; y! p- N6 RThe dishwasher drain hose should be secured to the underside of the counter and should form a loop under the sink to protect against contamination from possible back-flow $ N T1 m, A, U# f+ D( U( n! U0 w3 R) @) Y8 @9 b