In the humid air of Dalian pet cage, the condensate between the attachment and stainless steel forms a micro battery, which leads to electrochemical reaction and damages the protective film, which is called electrochemical corrosion. There are acid, alkali and salt substances on the surface of stainless steel (such as alkali water and lime water splashing on the decoration wall), causing local corrosion. Pet cages made of stainless steel will also rust under certain conditions. It can cause the damage of the protective film on the surface of stainless steel and lead to corrosion. Therefore, in order to ensure that the metal surface is bright and not rusted.
Dog cage is a kind of pet cage. Now the general cage surface treatment are spray, dip, electrophoresis, chrome plating, zinc plating, imitation gold and so on. According to the market demand, there are also many dog cages with practical functions on the market. It can store 3; now it's a second-class crescent cage, which can store 4. "Cold" clearly describes the cold of the river and expresses the endless sadness in the author's heart. In the poem, two words of "cage" are used together to make light smoke.