短語詞組短語torsional coil spring 扭轉(zhuǎn)螺旋彈簧torsional bar spring 扭桿彈簧TORSIONAL DAMPING SPRING 減振彈黃torsional cup spring piece 扭力杯彈片torsional counterweight spring 平衡機扭簧torsional spring scales 扭力彈簧秤torsional spring instrument 扭簧儀torsional spring constant 扭轉(zhuǎn)彈簧常數(shù)cylindrical helical torsional spring 圓柱螺旋扭轉(zhuǎn)彈簧 返回 torsional spring