Abstract: The present disclosure discloses a drip hose, comprising a hose body and a drip head inner plug. A sealing post is fixed in the opening of the hose body, a sealing ring is fixed in the interior of the drip head inner plug, the drip head inner plug is capped in the hose body, the sealing post blocks the sealing ring, the sealing post, the sealing ring and the drip head inner plug jointly form a storage space; a small liquid outlet aperture is arranged in the sealing ring, and a small liquid outlet hole is arranged in the head of the drip head inner plug, and the small liquid outlet aperture is in communication with both the storage space and the opening of the hose body.

Abstract: The present disclosure belongs to the field of packaging, and provides a rotary sealed packaging container which comprises an outer lid, a hollow inner core and a container body, wherein the inner core is mounted on an opening part of the container body so that the inner core can relatively move in axial direction of the container body and cannot relatively rotate in the circumferential direction, and the outer lid is mounted on the opening part so that the outer lid cannot relatively move in the axial direction and can relatively move in the circumferential direction; the outer lid is internally provided with a hollow thread part, an inner thread is arranged on the inner wall of the thread part, an outer thread is arranged on the outer wall of the inner core, the inner thread of the thread part matches with the outer thread of the inner core.