短語詞組短語gravitative erosion 重力侵蝕gravitative water 重力水gravitative adjustment 重力析離gravitative faulting 重力斷層作用gravitative differentiation [地質(zhì)]重力分異gravitative settling 重力沉降gravitative attraction 地球引力gravitative field 重力場gravitative sediment 重力沉淀 返回 gravitative