| 摘要 |
A carpet probe for detecting leaks in underground gas pipes, comprising a handle (12), a wheel (16) connected to the handle (12), and a flat carpet element (14) connected to the wheel (16) and comprising a sniffing inlet (28) connected to a gas sensor (18), is characterized in that the wheel (16) is the only wheel (16) of the carpet probe adapted for rolling on a ground surface. |
