In the part of explaining the working theory, it introduces the mechanism among the organs during the trigging process.

文章介绍了其工，分析了安全保护装置各机构的相互用机。

A clamping and self-locking cotton precision dibbler was designed and tested in this study.Its operating principle and working process were discussed and analyzed.

摘了夹持自锁式棉花精量播器，论述了其结构和工，并分析了主工过程。