“turf aerator”的概念、定义、翻译、参考文献-科学参考

单词	turf aerator
释义	turf aerator Encyclopedia 农学园林机械释 turf aerator草坪通气机在草坪上按一定行间距打出一定深度的洞或缝隙，以便于空气和养分直接进入草坪根部的机器。农学草坪打孔机释 turf aerator草坪打孔机利用打孔刀具按一定的间距和深度从草坪表面向根系层进行打孔的专用机械。
随便看	positive image positive index of inertia positive infinity positive integer positive integral kernel positive interaction between nutrients positive ion positive ion, cation positive ion mode positive kernel positive kurtosis positive leap second positive lens Positive likelihood ratio positive limit point positive limit set positive linear functional positive linear operator positive link positive literal positive logic positive logical calculus positive logical formula positive lossless storage positively definite

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