短語詞組短語cylindrical helical torsion spring 圓柱螺旋扭轉(zhuǎn)彈簧Cylindrical E helical torsion spring 圓柱螺旋扭轉(zhuǎn)彈簧cylindroid helical -coil torsion spring 圓柱螺旋扭轉(zhuǎn)彈簧;圓柱螺旋改變彈簧 返回 helical torsion spring