短語詞組短語elliptic spring bolster 橢圓形板彈簧;詳細繙譯elliptic rotating field spring bolster 橢圓形板彈簧bolster spring 搖枕彈簧;承梁彈簧;承梁;墊枕彈簧bolster spring cap 承梁彈簧帽bolster spring plank 車架承簧板bolster spring seat 承梁彈簧座bolster spring hanger 承梁彈簧吊桿rubber pad of bolster spring 枕簧膠墊bolster and spring assembly 搖枕彈簧組成 返回 spring bolster