材料强度级的识别  material strength grade identification

不等比例降材料强度参数法  unequal proportional reduction material strength parameters method

材料强度  material strength; strength of materials; strength of material; concrete strength; material’s strength; strength of magnetic pole

材料强度理论  theory of materials strength; strength theory of material

材料强度理论和结构强度理论  strength theory of materials and structures

材料强度推断  material strength inference

材料识别  matehal identification

超分子识别材料  supramolecule recognition materials

超强度材料  ultrastregth material

高强度材料  high tensile material; high strength material; high strength materials; high tensile-strength material; High-strength materials

环料的材料消化率(环料变形基因)  loop materials digestibility

绝缘材料强度  dielectric strength

纳米复合材料材料  Nanocomposites

唯一材料识别符  unique material identifier

未识别材料分配记录  unidentified material allocation record

土强度的强化或弱化作用  enhanceing or weakened soil strength

识别识别  Identification

Fe-Si梯度材料  Fe-Si gradient material

P91材料的优越性  Advantage of P91 steel