为将装在大桶中的汽油、柴油等液体吸出.机手及修理工经常应用虹吸原理,用虹吸管吸。虹吸管采用透明塑管、耐油橡胶管制作。为了产生虹吸现象,首先必须使管内充满液体。办法是将软管浸入大桶,待管中充满液体后,用手堵住管口将管子迅速拉出,或者用嘴将液体吸入管 To be installed in the vat of gasoline, diesel and other liquids sucked out.Hands and mechanics often use siphon principle, with a siphon suction. Siphon transparent plastic pipe, oil-resistant rubber tube production. In order to generate siphon, the tube must first be filled with liquid. The method is to dip the hose into the vat, until the tube is full of liquid, plug the tube by hand to quickly pull out the tube, or to pipe the liquid into the tube