reciprocal of oil mobility

例句：

1. 1. Thetwo companies have a reciprocalagreement on the terms of their joint venture.
   这两家公司拥有关于合资企业条款的相互协议。
2. 2. The teacher and student exchangedreciprocal notes during the lesson.
   在课上，老师和学生交换了相互笔记。
3. 3. The company's reciprocal policy allows employees to taketime off for personal reasons.
   公司的互惠政策允许员工因个人原因休假。