core spring 岩心卡簧
Spring core biopsy needle 弹簧芯状活检针
core gripper with slip-spring 卡簧式岩心爪
core push back spring 心型回位弹簧
core support spring 堆芯支承弹簧
core core box 心型箱; 砂心箱
core core collision 核芯-核芯碰撞
Core-Core dispersion 柯尔-柯尔频散
return core core puller 缩呵
Spring Force of Constant Torque Spring and Wing-up Spring 定型发条及上炼发条的驱动力
core barrel with rubber core container 橡胶套岩心筒
contact spring pile-up (contact spring assembly) 纺织腺; 触点簧片组件
half-elliptic spring(semi-elliptic spring) 半椭圆形弹簧
hard spring, hardening spring 硬弹簧
plate spring (plate-form-spring) 板弹簧
plate-form spring (plate spring) 板弹簧
Shape and Spring Back of Constant Torque Spring 定型发条的形状及翻动过程
soft spring ,softening spring 软弹簧
soft spring, softening spring 软弹簧
spring wheat spring corn intercropping system 春小麦/春玉米