若采用螺旋焊管周长自动控制系统可以实现自动化控制螺旋焊管的直径。
If it used this circumference automatic control system, the spiral welded pipe diameter could be controlled automatically.
我们指出周长方向的波函数干涉是影响碳纳米管电导的重要因素。
The circumferential interference is found to be an essential mechanism in determining the transport properties of the carbon nanotubes.
螺旋管的周长、直径等参数对于螺旋管的质量非常重要。
Some parameters, such as perimeter, diameter, is very important to quality of spiral welded pipe.
给出了由已知主管相贯线处直径确定分支管直径和椭圆周长或反向求解的计算公式，讨论了精度。
The formula to calculate the diameter of branch pipes and ellipse girth was given when the diameter of main pipe is known or reverse to resolve, discussed calculation accuracy.
建立了圆柱分支管y型三通的主管相贯线处的周长不变的条件，确定了相贯线为椭圆。
The invariablenes condition of circle girth of the join-line end of the main pipe was set up and the join-lines on Y-tee to be ellipse was made certain.
建立了圆柱分支管y型三通的主管相贯线处的周长不变的条件，确定了相贯线为椭圆。
The invariablenes condition of circle girth of the join-line end of the main pipe was set up and the join-lines on Y-tee to be ellipse was made certain.
应用推荐