短語詞組短語impermeable seam 不透水層impermeable stratum 不透水層;不透水地層impermeable break 不滲透夾層Impermeable groyne 不透水丁堤;不透水丁垻Impermeable containers 透性容器;非滲透性容器impermeable seed 不透水種子;不透水性種子impermeable gas 非滲透氣impermeable foundation 不透水地基impermeable layer 不透水層；防滲層impermeable barrier 不透水層；不透水煤柱；不滲透邊界 返回 impermeable