sandstonen.砂岩
sandstone carrier bed砂岩输导层
sandstone conglomerate砂砾岩
sandstone particlesize砂岩粒级
sandstone type uranium砂岩铀矿
Sandstone uranium mine砂岩型铀矿
sandstone rock asphalt砂岩沥青
sandstone distribution砂体分布
sandstone compositions砂岩组分
sandstone fissure water砂岩裂隙水
sandstone oil gas field砂岩油气田