Which of the following are common forms of comprehensive development?( ) A: Development of main inclined shaft-auxiliary vertical shaft B: Development of main shaft-auxiliary inclined shaft C: Main shaft-auxiliary adit D: Multi-shaft areas development

Among the following deep drawing methods, which have a great impact on the original shaft production? ( ) A: Direct extension of shaft B: Direct extension of inclined shaft C: Deepening of concealed shaft D: Deepening of inclined shaft

Misalignment of the drive shaft and propeller shaft flanges can be detected by using a dial indicator or （）.

The delayed value of rotation angle of the output shaft when the rotation of input shaft turns from positive to negative is . A:

The （） of the main shaft should be measured with a （）.

The auxiliary engine and a cgenerator can be connected with （）.

What does the underlined word “shaft” refer to in this passage?

The purpose of the safety relief valves installed on an auxiliary boiler is to （）.

In an auxiliary boiler steam and water system， the highest pressure will be in the （）.

Forsome objects, an auxiliary view is created before one of the principal viewsis.