| 摘要 |
<p>The present invention relates to a method and an apparatus for driving an elongated body into a floor (113) under a body of water wherein an impact or vibration generating device (103) is adapted to be arranged displaceable on a elongated (102) body such that said apparatus may be moved along the length of the elongated body during operation so as to maintain the generating device spaced above the floor surface.</p> |
