Holmes spent the evening in rummaging among the files of the old daily papers with which one of our lumber-rooms was packed. 阿瑟·柯南·道尔.福尔摩斯归来记.
Boil the old files or rasps in this solution for half an hour. 威廉K.戴维.智者、化学家和伟大医生的秘密.
Files are usually made with the hand, file-cutting machines not having been as yet perfectly successful on account of the delicacy of touch required in the work. 佚名.神奇的知识之书.
Rasps are files which have isolated sharp teeth separated by comparatively wide spaces, and are chiefly used for soft materials such as wood and horn. 佚名.神奇的知识之书.
Look over your files,' said the boss to the man handling the press stuff. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
The files, except those that are used for soft substances, are hardened by heating them to a cherry-red color and then dipping them in water. 佚名.神奇的知识之书.
A good tool-kit holds a number of files of various shapes. 佚名.神奇的知识之书.
Coarse files should remain in the bath twelve hours and fine ones two or three hours less. 威廉K.戴维.智者、化学家和伟大医生的秘密.
The end to be pointed passes over a series of coarse, medium and fine revolving files or cutters. 佚名.神奇的知识之书.
All the old files of the Ring were in it; and Tandyman wouldn't pay; no, dammy, he wouldn't pay. 威廉·梅克比斯·萨克雷.名利场.
In making fine files a good file-cutter will cut upwards of two hundred teeth within the space of an inch. 佚名.神奇的知识之书.