以紫甘蓝色素为染料，用直接法、媒染法对蚕丝纤维进行了染色试验。

As a dye, violet cabbage pigment was used in mulberry silk fabric dyeing experiments by direct and mordant methods.

youdao

以紫甘蓝色素为染料，用直接法、媒染法对蚕丝纤维进行了染色试验。

As a dye, violet cabbage pigment was used in mulberry silk fabric dyeing experiments by direct and mordant methods.

youdao