502BadGateway

Episode 22Part 2: Specifications for process design of printed boardsThe second season's program has been upgraded and innovated in an all-round way. In order to promote the transformation of the achievements of "Charming China City," Charming China City? The "City Alliance" was announced and the "Charming Card" program was officially launched to leverage the development of local industries with city brands and inject a strong impetus into the upgrading of cultural and tourism industries.遭遇车祸的小欣伤愈后回到家中，却对以前的事失去了记忆，但不时地心中模糊地会想到一个人，那个人到底是谁？小欣为什么会念念不忘？While holding the crew hostage, the gangster contacted Weng Siliang and asked him to find a way to sell the ship with the goods. Later, they found a buyer who was willing to pay 300,000 US dollars to buy the "Long Victory Wheel". After some bargaining, the gunman decided to sell the ship for 350,000 US dollars (about 3 million RMB in that year, and the original value of the "Changsheng Wheel" was about 20 million RMB).　　その勢いを借りて、シーズン２の制作が決定！We can see the above code. The code for creating div is very similar to the code for creating iframe. We can now consider separating the common code to make the code completely abstract. We can now write a set of code that is encapsulated in the getInstance function, as follows: