短語(yǔ)詞組短語(yǔ)ccrustal low -velocity zone 地殼低速帶crustal low -velocity zone 地殼低速帶low -velocity and high-conduction zone 低速高導(dǎo)體giant longitudinal seismic low -velocity zone 巨型地震低速異常帶 返回 low-velocity zone