| 摘要 |
A drain pipe is provided to assemble to be refracted according to the need since the assembly guide projection and assembly guide groove are included. A drain pipe comprises an assembly guide projection(112) formed to be symmetrical in the left upper side and right side of the binding jaw, and an assembly guide groove(102) which is formed in the back-end lower-part of the body, and is corresponded to order to combine with the assembly guide projection. The assembly guide projection is inserted into the assembly guide groove and location is set. |
