穹: vault; dome the sky起: rise; get up; stand up熔岩穹起: lava upheaval穹起机制: mechanism of doming地下水面穹起: groundwater mound地下水面穹起 地下水壅高: groundwatermound穹面输出: dome output穹倾斜: quaquavsal dip穹面丘: dome穹丘: dome穹面隆: dome穹丘，圆丘: dome穹面反射器: dome reflector穹丘构造: dome structure穹面地: dome
