The purpose of this study is to clean the foreign matters or pathogenic bacteria adhered inside the suction plate at any time, to facilitate disassembly and assembly, and to facilitate the combined suction plate of the upper removable showcase,This is in the back of the storage room, the air circulates, forms the air film, prevents the outside air from heating, and has a showcase integrated by the suction port,Bending longitudinally in the length direction of the suction cup to form a horizontal plane and a vertical plane,A plurality of back spacing slots are formed on the horizontal plane,A cut-off slot is formed on the wall surface at the lower end of the cut-off slot,In order to insert and combine the upper slot and the odor cutting slot vertically, the lower part has a protuberance which is consistent with the upper suction cup formed as a whole.
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