基本解釋[經(jīng)濟(jì)學(xué)]球式示傾器詞組短語(yǔ)短語(yǔ)Ball -bank k indicator 球狀傾斜指示器ball-bank indicator更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)球式示傾器