| 摘要 |
The present invention relates to a method for testing the durability of a fragile plate which applies tensile stress to the outer circumference of the front surface of the fragile plate by changing the position of a first curved part formed on the front surface of the fragile plate, and which applies the tensile stress to the outer circumference of the rear surface of the fragile plate by changing the position of a second curved part formed on the rear surface of the fragile plate. |
