常見例句These metals may be purified by a technique called zone refining. 這些金屬可以用所謂“逐區(qū)提純法”來提純。end-feed cross-flow zone refiner 側(cè)耑加料縱橫流動(dòng)區(qū)域精鍊爐The Norwegians live in a comparatively cold zone. 挪威人生活在比較寒冷的地區(qū)。Supplies were parachuted into the earthquake zone. 救援物資已空投到地震區(qū)。zone refining unit and equipment 區(qū)域提純設(shè)備和裝置multiple electron gun zone refining 多電子槍區(qū)域精鍊 返回 zone-refiner