短語(yǔ)詞組短語(yǔ)ballistic galvanometer constant 沖擊電流計(jì)常數(shù);沖混療常數(shù)ballistic c constant 彈道常數(shù)ballistic c galvanometer constant 沖擊電流計(jì)常數(shù) 返回 ballistic constant