English translation for "平洞口"

adit collar
adit opening
adit portal

Related Translations:

洞口:  entrance to a cave

洞口钢筋:  trimming bar

洞口开挖:  portal-in

垂直洞口:  vertical opening

墙洞口:  wall opening

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：

"平动态" English translation, "平动旋臂式起重机" English translation, "平动周期" English translation, "平动阻力" English translation, "平洞" English translation, "平斗容量" English translation, "平都" English translation, "平都拉山口" English translation, "平都山口" English translation, "平犊" English translation