topping with gum涂: spread on; apply; smear胶: glue; gum上胶: sizing treatment; surface si ...上胶，刷胶，涂胶: cementing上胶机，涂胶机: glue spreading machine; gluespreadingmachine; gluing machine; gluingmachine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:涂胶；上胶，即可在微信中查询翻译
