perforated tray是什么意思

用法例句

An experiment was carried out to study the effect of rice seedling nurturing with 353 hole tray on seedling quality and yield.

通过对353孔钵盘育苗秧苗素质及产量的研究,表明353孔钵盘更具秧苗无植伤全根下地的优势,秧苗素质好,移栽后返青快,分蘖早且快,有一定增产效果,比434孔钵盘和561孔育秧盘分别增产21。