| 摘要 |
The suction tube (1) has a latching projection portion (2) that is formed in an end portion (3) of the suction tube, and made of same material as the suction tube. The latching projection portion is extended from a central axis of the suction tube to the exterior such that a latching edge of the projection portion is arranged in a plane normal to the central axis, and positioned in averted side of the projection portion. |
