relayed cut section

例句：

1. 1. The engineercarefully relayed the instructions to the teamleader.
   工程师仔细地向团队领导传达了指示。
2. 2.The relay cut section was crucial for thesuccess of the race.
   接力切割部分对于比赛的成功至关重要。
3. 3. The scientist conducted a relay cutsection experiment to study the effects of temperatureon materials.
   科学家进行了一个接力切割部分实验，以研究温度对材料的影响。