基本解釋[經(jīng)濟(jì)學(xué)]無帽螺釘英漢例句雙語例句Then screw nut did not try to jack up the entire turret components and the weight, the role without friction whereabouts.這時(shí)螺母沒有托住絲桿以及整個(gè)刀架部件的重量，由於摩擦阻力的作用而不下落。screw without nut更多例句專業(yè)釋義經(jīng)濟(jì)學(xué)無帽螺釘