1、[水文]低地泉
...depression caldera 陷落巨火山口depression spring 低地泉depressor 抑制剂 ...
2、洼地泉
... depression caldera 陷落巨火口 depression spring 洼地泉 depression storage 洼地储水 ...
3、陷落泉
... 陷落火山石 sunken caldera 陷落泉 depression spring 陷穴 shake ...
4、牵移弹簧
... 基准液面 Reference level 牵移弹簧 depression spring 抵消 Balance out ...