pipe line pusher管道: pipeline; channel; tunnel; p ...技师: technician管道技工: plumber无缝和焊接锆及锆合金管道技术规范: standard specification for seamless and技师: artificer; mechanic; technician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:管道技师,即可在微信中查询翻译