I have a JDBC MySQL connection in Java. My program works fine for simple execution of query. If I run the same program for more than 10 hours and execute a query then I receive the following MySQL ex
品牌型号:美的冰箱 系统:BCD-523WSPZM(E)开发者_如何学JAVA冰箱加氟一般是加0.3~0.5公斤的氟,但是也有加的多的情况,加的多的情况一般都是加0.8公斤的氟。灌量的多少主要根据多用