slyder
提花底脚片 Jacquard jack
关边底脚片 welt jack
移圈底脚片 transfer jack
底脚衬片 foot liner
结果表明，在现蕾期摘除底脚叶1～3片，对防治烟草赤星病有明显效果。
The results showed that tobacco brown spots were significantly reduced by picking the bottom 1~3 leaves of tobacco plant in rosette stage.
youdao
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