求标准 ASTM D 2343-09 Standard Test Method for Tensile Properties of Glass Fiber Strands, Yarns, and Rovings Used in Reinforced Plastics ASTM D3039/D3039M Test Method for Tensile Properties of Polymer Matrix Composite Materials ASTM D 5083 Test Method for Tensile Properties of Reinforced Thermosetting Plastics Using Straight-Sided Specimens