bearing circle
笼状倍半硅氧烷(POSS)
方位圈
方向圈
笼状倍半硅氧烷
方位环
方向盘
closed circle control ash
closed circle control system
quality control circle QCC
reverse control hodograph
adjustable shaft bearing
bearing bearing of pile
桩的承载力
聚对苯二甲酸乙二醇酯(PET)
聚对苯二甲酸乙二醇酯
control domain of dynamic control
control rod bank position control system
D control derivative control