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