井: well道: road; way; route; path顶部: top; upper apex; top half; h ...井道: hatchway; hoistway; shaftway; well-hole轨道顶: toof rail巷道顶: roofing溢道顶: spillway crest顶部: top; upper apex; top half; headpiece; roof; ridge; meplat (弹丸的)井道壁，井道墙: hoistway wall单井道: single hoistway井道壁: shaft well; well enclosure井道孔: well hole井道门: well entrance井道墙: hoistway wall盲井道: blind hoistway井道入口，井道门: well entrance弹道顶点: apex of the trajectory; apex of trajectory; peak trajectory; top of the trajectory流道顶出器: runner ejector set隧道顶板: tunnel roof隧道顶线: tunnel top line弯道顶点: apex of bend弯道顶端: pole巷道顶板: back溢洪道顶: crest of spillway轨道顶千斤顶: track jack
