词汇	portable sonar
释义	portable sonar 便携式声纳
随便看	pre stress anchor prestress anchorage cable pre-stress anchorage cable prestress anchoraging prestress anchor cable pre-stress anchor cable pre-stress anchored cable prestress anchoring cable-beam prestress anchoring rope pre-stress anchor rod prestress anchor rope prestress anchors prestress anti-slide pile pre-stress bar prestress beam-and-slab prestress bent cap prestress bolt rope Prestress by post-tensioning method pre-stress cable pre-stress cable truss pre-stresscd box beam pre-stresscd steel rope prestressced concrete pre-stress combination matrix pre-stress component