基本解釋[農業(yè)科學]吸種真空度詞組短語短語vacuum pickup 真空吸筆;真空領紙裝置vacuum pickup transfer 真空吸頭式轉移vacuum pickup device 真空拾種裝置pickup vacuum更多詞組專業(yè)釋義農業(yè)科學吸種真空度Test was conducted on a self-made level-sucker precision metering experimental device. The experimental results show that bigger pickup vacuum will improve the performance of a seed-metering device.在自制的水平吸盤式水稻精密播種裝置試驗臺上進行試驗,結果表明:增大吸種真空度可提高播種裝置的吸種性能,當真空度為2.4～3.6 kPa時,吸種合格率>97%,空穴率吸種效果,滿足吸種指標要求。