【Daily Topic】【Engineering Version 20160510】
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Participation reward: 2 Wealth. Reward for the correct answer: 9 Wealth. In mining construction, regardless of the type of shaft or tunnel connection, it is necessary to first determine the geometric parameters related to such connections; these parameters refer to ( ). A. Coordinates and slope of the center line of the connecting roadway B. Coordinates and slope of the waist line of the connecting roadway C. Coordinate azimuth of the center line of the connecting roadway, inclination angle (slope) of its waist line, and the distance between the roadways D. Distance between the connecting roadways
C. Coordinate azimuth of the center line of the through roadway, inclination (slope) of its waist line, and the distance between the two roadways
C. Coordinate azimuth of the center line of the through roadway, inclination (slope) of its waist line, and the distance between the two roadways
C. Coordinate azimuth of the center line of the through roadway, inclination (slope) of its waist line, and the distance between the two roadways
In the construction of mining projects, regardless of the type of shaft or tunnel connection, it is necessary to calculate in advance the geometric elements for such connections, and these refer to (C). A. Coordinates and slope of the center line of the connecting roadway B. Coordinates and slope of the waist line of the connecting roadway C. Coordinate azimuth of the center line of the connecting roadway, inclination angle (slope) of its waist line, and the distance between the roadways D. Distance between the connecting roadways