According to the passage, which of the following statement is not true?
A.the heat exchanging surfaces should be kept substantially clean
B.the heat exchanger flow passages should be clear of obstruction
C.seals for the plate heat exchanger needs to be renewed often
D.the cleaning process of the plate heat exchanger should be done following our experiences only
第1题:
下列选项中,关于Statement描述错误的是()
A.Statement是用来执行SQL语句的
B.Statement是PreparedStatement的子接口
C.获取Statement实现需要使用Connection的createStatement()方法
D.PreparedStatement能使用参数占位符,而Statement不行
第2题:
以下哪一项表达最为准确?
A.Both bombs produce the same three effects: heat, blast, and radiation. The first of which usually causes the most fatalities.#B.Both bombs produce the same three effects: heat, blast, and radiation, the first of them usually causes the most fatalities.#C.Both bombs produce the same three effects: heat, blast, and radiation, the first of which usually causes the most fatalities.#D.Both bombs produce the same three effects第3题:
Heat有两个API组件,分别是
第4题:
下列选项中,关于Statement描述错误的是()
A.Statement是用来执行SQL语句的
B.Statement是PreparedStatement的子接口
C.获取Statement实现需要使用Connection的createStatement()方法
D.PreparedStatement能使用参数占位符,而Statement不行
第5题:
利用Heat进行设计和定义编排极为方便,请你写出Heat的编排方式
第6题:
3.下列选项中,关于Statement描述错误的是() A: Statement是用来执行SQL语句的 B: Statement是PreparedStatement的子接口 C: 获取Statement实现需要使用Connection的createStatement()方法 D: PreparedStatement能使用参数占位符,而Statement不行
A.A B C D
B.A B C D
C.A B C D
D.A B C D