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

1.台架试验结，穴播经改进后对棉种的播种精度有了较提高。

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.摘要设计了夹持自锁式棉花精量穴播，了其结构和工作原理，并分析了主要工作过程。