ASTM D6758 相关标准:ASTM D653; ASTM D698, ASTM D1557, ASTM D2216, astm d3740, astm d4220, ASTM D4643, ASTM D4944, ASTM D4959 用机电法就地测量土壤和土壤集料的刚度和表观模量的标准试验方法 Qty.ModelDescription 1 H-4140 GeoGauge 1 H-4140.20 GeoGauge的验证质量 1 H-4140.C Calibration Platen 1 H-4140.12 Infrared Data Cable