| 1 | One design method for winder of spheroidal tank was presented in this article. | |
| 2 | It happened that on the very day when the princess was fifteen years old, she climbed up a narrow, winding staircase in the castle and reached a little door. | |
| 3 | Design condition of winder of spherical gas-holder and relationship of design parameters are discussed, and steps of determination of design parameters are put forward. | |
| 4 | Combined with the installation practice in Jilin fuel ethanol project, the construction methods of tank with oblique bottom and winder are separately discussed . |