long string

• 采油套管

long string的用法和样例：

例句

1. A light framework covered with cloth, plastic, or paper, designed to be flown in the wind at the end of a long string.
   风筝用布、塑料或纸覆盖的轻质构架，系在长绳的尾端，为能在风中飘扬而设计