inlet unsubmerged culvert nonpressure culvert的意思|示意

美 / / 英 / /

进口非淹没涵洞非压力涵洞


inlet unsubmerged culvert nonpressure culvert的网络常见释义

无压力涵洞 inlet submerged culvert 半压力式涵洞 inlet unsubmerged culvert nonpressure culvert 无压力涵洞 inlet unsubmerged culvert non-pressure culvert 无压力涵洞 ..