复压式液体供给器，由油桶、桶盖、打气桶、喷枪及液体输送管构成。

The invention relates to a re-pressing type liquid feeder, which consists of an oil drum, a drum cover, an inflating pump, a spray gun and a liquid conveying pipe.

youdao

油桶、桶盖、打气桶、喷枪的主体及液体输送管都是塑料制品，喷枪的喷嘴采用金属材料制造。

The oil drum, the drum cover, the inflating pump, a main body of the spray gun and the liquid conveying pipe are made of plastics and a spray nozzle of the spray gun is made of metal materials.

youdao