| 摘要 |
<p>The device (1) has a housing (6) installed at ground (28) and electrically connected to pyrotechnic charge (2), where the housing includes an animal detection unit (3). Another housing (7) is installed at the ground at a distance and connected to the former housing by a wired connection unit (8). The latter housing includes an interruption unit (9) of an electric firing circuit (4) to achieve interruption state and continuity state for respectively interrupting or establishing continuity of a section (10) of the electric firing circuit.</p> |
