词汇	triode tetrode
释义	triode tetrode n.三极四极管
随便看	seedling grading machine Seedling Graft seedling grafting seedling greening Seedling-growing seedling growing agents seedling growing period Seedling-Growing Skills of Juniperus rigida Seedling growth Seedling-growth agent seedling growth and development seedling growth condition seedling growth modes seedling growth of corn seedling growth of rice seedling growth rate Seedling growth rhythm seedling growth role seedling guide-canal seedling guide tube seedling-guide tubing seedling hardening seedling harvester Seedling-heading period seedling height