shot cleaning meaning in English

抛丸清理
喷丸清理

Theses abrators are suitable for surface treatment , derusting and surface erinforcing for all kinds of large , mediun and small sized casting pieces , forged pieces , and prooessed pieces , during shot cleaning , when the crawler rotates forward , the workpiece will roll : when the crawler rotates backward , the workpiece will unload itself
该系列抛丸机适用于各种中小型铸件、锻件及加工件的表面处理、除锈及抛丸强化，抛丸处理时履带正转使工作翻滚，履带反转工件自动卸料。