tube perforation

• 炉管穿孔

tube perforation的用法和样例：

例句

1. On one side , the tube is perforated and holds coffee grounds or tea leaves that are infused when the stick is stirred in the liquid.
   一方面，该管穿孔，并拥有咖啡的理由或茶叶是注入时，搅拌棒是在液体。