用“impermeable”造句大全，impermeable造句
impermeablebarrierimpermeablestone;animpermeablelayerofscum;acoatimpermeabletorain.TestmethodforcompressivestrengthofimpermeablegraphitematerialsTheconcreteimpermeablepanelconstructiontechnologyofSili...
用“impermeable barrier”造句大全，impermeable barrier造句
impermeablebarrierThebloodbrainbarrierbetweenthebrainandthebraincapillaryendothelialcellsisaimpermeablebarrier,whichcanpreventmostalienstransportintobrain....