单项选择题
回转形体不一定有轴线。( ) A. 对 B. 错
回转形体不一定有轴线。( ) A. 对 B. 错
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单项选择题
If the solution node is set at the separator, what’s the character of the inflow curve in nodal analysis graph is:
If the solution node is set at the separator, what’s the character of the inflow curve in nodal analysis graph is:
A.Increasing
B.Decreasing
C.Parallel with cross axle
D.Parallel with vertical axle