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