短語詞組短語bed d thickness 地層厚度Measurement of Bed Soil Thickness 牀土厚度檢測(cè)filter bed thickness 濾牀厚度coal bed thickness 煤層厚度thin bed thickness 薄層厚度cutting -bed thickness 巖屑牀厚度niveal bed thickness 冰雪層厚度bed thickness bt 層厚residual bed thickness 賸餘基質(zhì)牀厚度;計(jì)算賸餘基質(zhì)牀厚度 返回 bed thickness