题目内容

在CCBⅡ制动机中,ERCP是指EPCU的制动缸控制部分。

A. 对
B. 错

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在CCBⅡ制动机中,DBTV是指EPCU的电源接线盒。

A. 对
B. 错

在CCBⅡ制动机中,BCCP是指EPCU的均衡风缸控制部分。

A. 对
B. 错

Researchers put patients through a set of psychological tests to determine the negative consequences of sleep _______.

A. deficit
B. abundance
C. defend
D. derive

Too much _______ to dirty air can cause people to suffer from allergies and diseases that will eventually affect people's health.

A. express
B. excuse
C. adjust
D. exposure

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