连续层析精制 continuous refining: 连续精炼continuous lead refining: 铅的连续精炼continuous refining process: 连续精炼法continuous zone refining: 连续区熔精炼; 连续区熔提纯continuous zone refining apparatus: 连续区域精炼设备下载手机词典可随时随地查词查翻译