According to the passage, which of the following statement is not true?A.the heat exchanging surfaces should be kept substantially cleanB.the heat exchanger flow passages should be clear of obstructionC.seals for the plate heat exchanger needs to be renewed oftenD.the cleaning process of the plate heat exchanger should be done following our experiences only
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
相关考题：
You’re going to have a quiz ( )by another two in the ( )month. A. followed,followedB. followed,followingC. following,followedD. following,following
The three basic components of a fire are chain reaction, heat, fuel, and ____.A.carbon monoxideB.oxygenC.carbon dioxideD.any gaseous substance
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
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
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
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 DB．A B C DC．A B C DD．A B C D