According to the demands of agronomic technology for the background of industrialized rice seeding nursery, rice precision needle-like suction seeder was designed.

以工厂化育秧的农艺要求为背景，设计了针状气吸式精量播种装置，介绍了其工作原理和相关参数。

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The pin gear-type precision seeder is composed of a wheel body, a rubber ring, a needle wheel and an isolation plate.

本实用新型主要由轮体、胶圈、针轮、隔种板等构成。

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Highly polished beveled edges reflect light in two directions for better legibility and emphasize needle-sharp tips, lending an air of Germanic precision.

FORBES: The Face of Time