fore-spring  前倒缆

fore back spring  前倒缆

fore head spring  前倒缆

fore-back spring  前助倒缆

fore-head spring  前助缆

Spring Force of Constant Torque Spring and Wing-up Spring  定型发条及上炼发条的驱动力

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

advance fore poling  超前管棚支护

aggregation fore  附着力

analogous fore cast method  相似方法

arrangement on fore and aft  前后配置