right-hand open-end auger

例句：

1. 1.The right-hand open-end auger is used for drilling through concrete.
   右手开式钻机用于钻孔穿过混凝土。
2. 2.The engineer carefully selected the right-hand open-end auger for the job.
   工程师仔细选择了右手开式钻机来完成这项工作。
3. 3. During construction, the right-hand open-end auger was used to remove the old foundations.
   在施工过程中，右手开式钻机被用来移除旧地基。