1.The bench test results indicated that the metering quality of the dibbler was increased significantly after improvement.

1.台架试验结果表明，穴播器经改进后对棉的播有了较提高。

2.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.

2.摘了夹持自锁式棉花量穴播器，论述了其结构和工作原理，并分析了主工作过程。