你可以自己试试: , \6 s0 r/ h' P4 |: Y* M' r, A$ d) j& K3 R# Q+ e5 f; H The 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 / U7 g4 @# o+ [# P' }) v& t, K) p# T1 r8 H) Q. {3 c# r