词汇	boom crotch
释义	boom crotch 帆杠支架
随便看	rare earth element geochemistry rare-earth element geochemistry rare earth element geoehemistry rare-earth element holmium Rare Earth Element La rare-earth element La and Ce rare-earth element lanthanum rare earth elementree rare earth element ree rare earth element, REE rare-earth ferrosilicon rare earth ferrosilicon alloy rare-earth ferrosilicon alloy Rare earth fertilizer rare earth film screen system rare earth fission product rare earth fission products Rare earth fluorescence complexes rare earth fluorescent permeating-tracer rare earth elements rare-earth elements rare earth elements as additives rare-earth elements conversion coating Rare-earth elements conversion coatings rare earth elements in agriculture