基本解釋[數(shù)學(xué)]超高壓燈詞組短語(yǔ)短語(yǔ)extra -high-pressure mercury vapor lamp 超高壓水銀燈extra-high pressure lamp更多詞組專(zhuān)業(yè)釋義數(shù)學(xué)超高壓燈