surface connecting system表面: surface; superficies; bounda ...相连: be linked together; be joine ...管道: pipeline; channel; tunnel; p ...系统: system互相连接的管道系统: interconnected pipe-line systems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:表面相连管道系统，即可在微信中查询翻译
