Trapping: (1) The ability of a printed ink to accept a succeeding or overprinted ink, making it possible to superimpose one colour over another to create proper colour balance.

• (1)牵引力 ,(2)叠边:(1)是油墨对随后施印或叠印的墨的接受能力。适当的牵引力，造成正确的色彩平衡。