The initial coat applied uniformly and overall to an otherwise unprimed substrate or over a properly prepared pre-existing self-priming coat.
均匀的、全部的应用到未填充衬底或者在恰当准备的事先存在的自我填充涂层上的初始涂层。
The initial coat applied uniformly and overall to an otherwise unprimed substrate or over a properly prepared pre-existing self-priming coat.
均匀的、全部的应用到未填充衬底或者在恰当准备的事先存在的自我填充涂层上的初始涂层。
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