短語詞組短語pawl off lever 推開;子桿brake lever pawl 制動桿爪brake lever pawl button 剎車桿止動爪鈕hand brake lever pawl 手牐桿爪hand brake lever pawl rod 手牐棘爪桿hand brake lever pawl pin 手牐桿爪銷 返回 pawl lever