回答黑化肥發(fā)灰,灰化肥發(fā)黑;黑化肥發(fā)灰會(huì)揮發(fā),灰化肥發(fā)揮會(huì)發(fā)黑;黑化肥揮發(fā)發(fā)灰會(huì)揮發(fā),灰化肥揮發(fā)發(fā)黑會(huì)發(fā)揮;黑灰化肥會(huì)揮發(fā)發(fā)灰黑化肥黑灰揮發(fā)化為灰,灰黑化肥會(huì)揮發(fā)發(fā)黑灰化肥灰黑發(fā)揮化為黑;黑化黑灰化肥黑灰會(huì)揮發(fā)發(fā)灰黑化肥黑灰化肥揮發(fā),灰化灰黑化肥灰黑會(huì)發(fā)揮發(fā)黑灰化肥灰黑化肥發(fā)揮。