短語詞組短語Distance Gauge For Sleepers 枕距槼laser distance gauge 激光測(cè)距儀digital height and distance gauge 數(shù)字式測(cè)高測(cè)距儀gauge distance 針距gauge bob distance 標(biāo)準(zhǔn)距離Gauge pin distance measurement 量柱距測(cè)量 返回 distance gauge