wood rosin是什么意思

网络释义

1)wood rosin,木松脂2)pine resin,松木树脂3)piney tallow,松木硬脂4)terebinth,松脂木5)pitch pine,含脂松木;油松6)high boiling solvents(HBS) lignin modified rosin,木质素改性松香树脂