secondary additional marking次级: secondary增: increase; gain; add纹: lines; veins; grain次级增塑剂: secondary plasticizer助增塑剂；次级增塑剂: secondary plasticizer下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:次级增纹，即可在微信中查询翻译
