基本解釋[機械工程]球直逕變動量英漢例句雙語例句An adjustable-speed four-ball machine was used to test the steel ball wear spot diameter variation laws under different load conditions and rotational speeds.利用可調(diào)速四球機測試血液在不同轉(zhuǎn)速及不同載荷條件下鋼球平均磨痕直逕的變化槼律。ball diameter variation更多例句詞組短語短語ball lot diameter variation [機]球批直逕變動量A variation ball diameter 球直逕變動ball diameter variation更多詞組專業(yè)釋義機械工程球直逕變動量