The upper switch valve 41 has {HEAD ~ a regulating recess} 411 defined at {TAIL ~ the bottom} thereof, and the lower switch valve 42 is provided with a pair of arc hot/cold water inlet holes 421, 422 and a water outlet hole 423 thereon, correspondingly matched to arc hot/cold water inlet passages 401, 402 and a water outlet passage 403 of the valve mount 40 thereof 
The upper switch valve 41 has { HEAD ~ a regulating recess } 411 defined at { TAIL ~ the bottom } thereof , and the lower switch valve 42 is provided with a pair of arc hot / cold water inlet holes 421 , 422 and a water outlet hole 423 thereon , correspondingly matched to arc hot / cold water inlet passages 401 , 402 and a water outlet passage 403 of the valve mount 40 thereof
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH