When sprayed into the body surface at both ends, the button trigger hand spray gun to quickly loose, so as to reduce paint mist, as the two ends of the body surface, often to accept more than twice the spraying is the most likely to cause local Sagging.
当喷到物面两端时，扣喷枪扳机的手要迅速的松一下，使漆雾减少，因为物面的两端，往往要接受两次以上的喷涂，是最容易造成流挂的地方。