English translation for "洞口开挖"

portal-in

Related Translations:

洞口:  entrance to a cave

洞口钢筋:  trimming bar

垂直洞口:  vertical opening

墙洞口:  wall opening

平洞口:  adit collaradit openingadit portal

洞口保护:  opening protection

洞口尺寸:  dimension of opening

导洞口:  heading collar

流线型洞口:  enlarged culvert inlet

洞口定位:  location of adit

Similar Words：

"洞口保护" English translation, "洞口侧壁" English translation, "洞口尺寸" English translation, "洞口定位" English translation, "洞口钢筋" English translation, "洞口围坎" English translation, "洞口围坎 挡水缘围 舱口拦板 孔口栏板" English translation, "洞口依子" English translation, "洞窟" English translation, "洞窟壁画" English translation