英语翻译break sharp corners and remove burrsbreak the sharp thre

eak sharp corners and remove burrs
修边角,去毛刺
break the sharp threads (1/3 interval of thread)of first and end threads of M52*2-2class-left .
在第一根螺线与最后根螺线倒角（罗纹的1/3处）,规格为 M52 x 2,二级,左旋罗纹.
in cross threads of M52*2-2class-left and hole groove (14*30 and 14*25 interval)break sharp corners of threads by means of hand-finish
M52 x 2,二级,左旋罗纹（M52*2-2class-left）的交叉罗纹与孔槽（相隔14 x 30 与 14 x 25）,手工修罗纹边角.
perform hard chrome plating on threaded port
螺纹端镀硬质铬层（你的原文cheme应是chrome）