TOTO东陶WH173BAT172AAT自动感应隐藏式水箱安装说明书.pdf,WH173BAT WH172AAT WH173BAT WH172AAT WH173SGAT 563414-1 Safety Precautions (Be sure to follow them for safety sake.) Important: 1. Functions of the concealed cistern: storage water, inlet and outlet c