单词	贯标
释义	贯标 ISO
随便看	drag-line chain dragline conveyer dragline conveyors dragline crane dragline device dragline ditch cleaner draglinedragline excavator dragline dredge drag line dredge dragline equipment dragline excavator drag line excavator drag-line excavator dragline loader draglines drag-lines dragline scoop dragline scraper drag-line scraper dragline silk dragline silk gene dragline silk protein draglines stripping technology dragline stripper dragline stripping system