circular tube

• 圆管

circular tube的用法和样例：

例句

1. The hydroforming of bulging in the middle of a tube was studied.
   选择圆管中间膨胀的液压成形为研究对象。
2. Some problems in the design of circular tubular joints are discussed in this paper.
   本文探讨了圆管结构相贯节点设计中的若干问题。