| 摘要 |
<p>Watering carriage for simultaneous watering of plants set in rows, has a boom consisting of several parallel tubes connected together and supported by a mast, one of the tubes carrying spray nozzles. The tube carrying the latter has struts distributed over its length, connecting it with a further tube near it, also having spray nozzles, and above these tubes a third tube braces the other two.</p> |
