“combined drill”的概念、定义、翻译、参考文献-科学参考

单词	combined drill
释义	combined drill Encyclopedia 农学联合播种机释 combined drill联合播种机在播种同时进行整地、筑埂、平畦、播种、施肥、喷药等多项作业或将其中的某几项联合起来同时进行作业的机具。
随便看	improper prior improper quadric improper quotient object improper rational function improper refinement improper representation improper rotation improper rotation group improper sales behavior improper set improper singularity improper subalgebra improper subclass improper subgraph improper subgroup improper submodule improper subobject improper subset improper subspace improper symbol improper symmetry operation improper transformation impropertransposition improper valuation improv comedy

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