| 摘要 |
The pump has a first body portion formed with a deposit portion and a first tubular section, and a second body portion formed with a second tubular section. A camera is arranged in the first tubular section for monitoring the relative movement of the first body portion. A piston rod is arranged to move in the second tubular section. The piston rod is formed with an exit conduit and a camera facing the exit orifice formed in the second tubular section. |
