底漆的施工目的是使被涂的金屬表面與油漆以后的各層間造成良好的結合以構成堅固的覆蓋層。
熱心網友
The construction purpose that bottom paint make drive metals surface that draw with varnish the hereafter's each layer the cover for result inning the good combination to constituting hardly the cover the layer.供參考
熱心網友
The purpose of application of primer is to form a firm coat through the good binding between the coated metal surface and the layer of paint.
熱心網友
The purpose of priming is to form a good binding between metal surface and each layer hereafterso as to form a firm coat.