super-long bidirectional highway tunnel的意思|示意
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英 / /
超长双向公路隧道
super-long bidirectional highway tunnel的网络常见释义
特长单洞双向隧道 ...特长单洞双向隧道,半横向通风 [gap=1244]Keywords : tunnel construction, fan position, cross passage site optimization, super-long bidirectional highway tunnel, semi-transverse ventilation ..