proportional boron counter

基本解釋

• [經(jīng)濟(jì)學(xué)]正比硼計(jì)數(shù)管

詞組短語

短語

• proportional boron -lined counter 正比涂硼計(jì)數(shù)管
• boron trifluoride proportional counter 三氟化硼正比計(jì)數(shù)管
• boron deposited proportional counter tube 硼沉積正比計(jì)數(shù)管

• proportional boron counter更多詞組

專業(yè)釋義

經(jīng)濟(jì)學(xué)

• 正比硼計(jì)數(shù)管