| 摘要 |
The present invention relates to a two-meter-long pipe reduction device. An objective of the present invention is to resolve inconvenience, wherein two or three times of pipe reduction processes are needed to reduce a pipe longer than two meters with an existing pipe reduction device. Moreover, when using the pipe reduction device according to the present invention, the inconvenience of the existing pipe reduction device can be resolved, thus enabling a user to reduce a pipe longer than two meters with a single process. |
