cotton opener,for loosening and cleaning cotton

• 梳棉机；松开和清理棉花用

cotton opener,for loosening and cleaning cotton的用法和样例：

例句

1. An investigation of the mixing action on cotton card in the relationship to the even action in theory is reported.
   本文主要从理论上探讨了梳棉机的混和作用及其与均匀作用的关系。