Cut all the straight pipe to length.
把所有的直管都截到所需长度。
But with the same length of straight seam pipe than the weld length of 30 ~ 100%, and lower production rate.
但是与相同长度的直缝管相比，焊缝长度增加30 ~ 100%，而且生产速度较低。
The spiral bands are basically equal in length to a condenser heat-exchange straight pipe and are inserted in the condenser straight pipe.
螺旋纽带与凝汽器换热直管道基本等长并插装在凝汽器直管道内。
The spiral bands are basically equal in length to a condenser heat-exchange straight pipe and are inserted in the condenser straight pipe.
螺旋纽带与凝汽器换热直管道基本等长并插装在凝汽器直管道内。
应用推荐