![]() Metallic materials - Method of constraint loss correction of CTOD fracture toughness for fracture assessment of steel components 金属材料 钢构件断裂评估中裂纹尖端张开位移(CTOD)断裂韧度的拘束损失修正方法 |
![]() Safety-belts, restraint systems, child restraint systems and ISOFIX child restraint systems for occupants of power-driven vehicles 机动车乘员用安全带、约束系统、儿童约束系统和 ISOFIX 儿童约束系统 |
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