我所指的 Natural pitch 包含以下产品:
Pitch cork
Pitch, natural, for coatings
Pitch, natural, caulking
Pitch, natural, shoemaking
Pitch, natural, grafting
Pitch, natural, for electrodes
Pitch, natural, for foundries
Pitch emulsions
Pitch, linseed
Pitch, stearic
Pitch, caulking
Pitch, tall oil
Pitch, natural, NES
谢谢指教!
"Natural pitch" 可以翻译为 "天然沥青",它是一种黑色的有机物质,并且可以被用于多种用途,如密封、制作鞋子、嫁接、电极、铸造等。您列出的不同类型的 Natural pitch 也可以根据具体的用途进行翻译,例如 "天然软木沥青"、"天然涂料用沥青" 等。