openwell stair

同义词释义

1)open-well stair,露明梯井楼梯2)forestair['fɔ:,stɛə],露明楼梯3)open well,露明梯井4)open well stair,露幂井楼梯5)open-string stairs,露明梁楼梯6)open riser stairs,露明踏步楼梯