bearing stratum
短语词组
- bearing g stratum 承重层
- water -bearing sand stratum 含水砂层
- oil bearing stratum 含油地层
- poor bearing stratum 低承载性地层
- siltrock bearing stratum 泥砂岩持力层
- determing of bearing stratum 持力层确定
- ore bearing stratum 含矿地层
- ore -bearing stratum 矿地层 返回 bearing stratum