基本解釋彈簧夾子詞組短語短語pinch -cock 彈簧夾;節(jié)流夾pinch cock clamp 彈簧夾pinch cock更多詞組英英字典柯林斯英英字典 a clamp used to compress a flexible tube to control the flow of fluid through it pinch cock劍橋字典pinch cock柯林斯字典專業(yè)釋義經(jīng)濟(jì)學(xué)彈簧夾機(jī)械工程彈簧夾子