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过去車体噴涂两种顏色的油漆时,是用遮蔽带盖住,交替地进行噴涂工作,或者采用靜电噴漆。本文提出的新方案是一种同时
In the past, two colors of paint were applied to the bodywork, covered with masking tapes, sprayed alternately or electrostatically sprayed. The new scheme proposed in this paper is a kind of simultaneous