lining of tunneltunnel liningtunnel-liner隧道: tunnel; tunneling; tunnellin ...衬: line; place sth. underneath砌: opera隧道衬砌机: tunnel liner; tunnel lining machine隧道衬砌钢板: steel tunnel liner plate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:隧道衬砌,即可在微信中查询翻译