| 摘要 |
<p>Pressurised or pumped liq. flows along a rigid or flexible pipe which may be rotated on its longitudinal axis and is provided with a connector on which a stirred body is located. On the body is a rotary head fitted with a segment on which an outlet nozzle is permanently or detachably mounted. Segment is fitted with a pivot mounting for a lever which can be actuated by hand or mechanically to mvoe the outlet nozzle to a specific position along an arc; Nozzle can be clamped in that position if required. Used for sewage disposal or treatment, but esp. as a liq. manure rain gun.</p> |
