two-way system 双向制 ; 双向系统
two way system of reinforcement 双向钢筋制
single pool two way system 单库双向系统
two-way system of reinforcement 双向配筋体系
two-way choice system 双向选择制度
two-way cable system 双向电缆系统
two-way radio system [通信] 双向无线电通信系统
two-way slab system 双向板体系
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