Plastic cup cover

When the drinker puts down or carries the cup, the iron rod in the jacket shell rolls using a slope on the bottom of the jacket shell, and the plastic cover sheet covers the cup naturally again.

当喝水者放下或端平杯子时，套壳内的铁棒利用套壳底部的斜面滚动，塑料盖片复又自然盖住杯子。

The utility model uses lever principle, when a drinker inclines a cup, the iron rod in the plastic jacket shell rolls to open the plastic cover sheet, and the drinker can drink water.

它利用杠杆原理，当喝水者倾斜杯子的瞬间，塑料套壳内的铁棒滚动时打开塑料盖片，喝水者即可喝水。

With plastic cup as protective cover, directive spraying of roundup water agent is safe for seedlings, of better weeding effect, and to save time and money.

用一次性塑料杯作防护罩，草甘膦水剂定向喷雾，对苗木安全、除草效果好、省工、省钱，比人工除草节约成本74%。