Extract of the heartwood of acacia catechu used for dying and tanning and preserving fishnets and sails; formerly used medicinally.
用儿茶树的心材提取，用于印染、制革、渔网和帆蓬保养，以前用于医药。
Extract of the heartwood of acacia catechu used for dying and tanning and preserving fishnets and sails; formerly used medicinally.
用儿茶树的心材提取，用于印染、制革、渔网和帆蓬保养，以前用于医药。
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