Solve according to the given information. What information to be specific?

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1. Record the relevant constants Homogeneous section D = cm: Contraction section D. = cm: Diffuser section D, = cm; cm. Elevation of upper pipe axis Zi= Notes (1)The inner diameter of the section where measured points 6,7 are located is The inner diameter of the section where measured points 16,17 are located is D The rest are D (2)The points with "*" are measured points on the Pitot tube(The measured points number are shown in Table 3.1) (3)Measured points 2, 3 are two pressure measured points on the same straight pipe homogeneous section; 10, 11 are two measured points on the same heterogeneous section of the elbow. Table 3.1 Pipe diameter records Number of 10 12 14" 16 18 measured 1 4 5 3 7 9 11 13 15 17 19 points Diameter cm Distance between 4 4 6 6 4 13.5 6 10 29 16 16 two points Icm 1. Record the relevant constants Homogeneous section D = cm: Contraction section D. = cm: Diffuser section D, = cm; cm. Elevation of upper pipe axis Zi= Notes (1)The inner diameter of the section where measured points 6,7 are located is The inner diameter of the section where measured points 16,17 are located is D The rest are D (2)The points with "*" are measured points on the Pitot tube(The measured points number are shown in Table 3.1) (3)Measured points 2, 3 are two pressure measured points on the same straight pipe homogeneous section; 10, 11 are two measured points on the same heterogeneous section of the elbow. Table 3.1 Pipe diameter records Number of 10 12 14" 16 18 measured 1 4 5 3 7 9 11 13 15 17 19 points Diameter cm Distance between 4 4 6 6 4 13.5 6 10 29 16 16 two points Icm