【单选题】can be used to check the air leakage from the pip
【判断题】最重要的用户界面要素是软件符合现行标准和规范。 ( )
【单选题】静压轴承的工作原理是 ,再经过间隙流回油池。
【单选题】Why does the speaker ask the questions?
A.
To check the students' understanding of the story.
B.
To draw the students' attention to reading skills.
C.
To let the students discuss father-son relationships.
D.
To motivate the students.
【判断题】最重要的用户界面要素是软件符合现行标准和规范。
【单选题】Let`s check the operating condition of the magnetic compass and the date of last calibration
A.
The speaker wants to check the gyro compass
B.
The speaker wants to check the magnetic compass
C.
The speaker wants to check the echo sounder
D.
The speaker wants to check the speed log
【判断题】最重要的用户界面要素是软件符合现行标准和规范