短語詞組短語fulcrum pin 支點(diǎn)銷;支軸銷;支銷;杠桿支點(diǎn)銷fulcrum adjustor 支點(diǎn)調(diào)整裝置fulcrum effect 支軸傚應(yīng)fulcrum approach 支點(diǎn)分析法fulcrum foot 中樞腳Fulcrum ring 支撐環(huán);膜片彈簧支承圈fulcrum lever 支桿Archimedes fulcrum 阿基米德支點(diǎn)movable fulcrum 活動軸 返回 fulcrum