wet-ink pen 墨水笔
The present invention provides a kind of oil film wet blackboard and its blackboard pen and blackboard roller erasing device.
本发明提供了一种油膜湿式黑板、黑板笔和黑板滚筒擦涂装置。
Painters no background, with only wet patches of grass color pen highlighted with outstanding character, artistic conception Ying pure and fresh air.
画家不着背景，只以湿笔点出斑斑草色以突出人物，意境空潆清新。
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