基本解釋[經(jīng)濟學(xué)]制動塊支撐詞組短語短語brake shoe anchor pin 閘瓦固定銷brake shoe anchor pin cam 閘瓦支點銷偏心輪brake anchor pin bushing 錨定螺桿襯套brake -shoe anchor pin 閘瓦固定銷brake e shoe anchor pin 閘瓦固定銷brake anchor pin更多詞組專業(yè)釋義經(jīng)濟學(xué)制動塊支撐