加筋垫层
reinforcement layer
reinforced underlying layer
reinforced cushion
Reinforced bedding
reinforcement bed course
geo-textile-reinforced cushion
bedding cushion
Reinforcement bedding
reinforcement cushion
geosynthetics reinforced bedding
reinforced under layer
拉力测量
pull strength measurement
拉筋拉力
tensile force of the reinforcement
扩胸弹簧钢丝拉力器
spring steel cable for chest pull