closed ball

　

英　　美　　

閉球

closed ball的用法和樣例：

例句

Ball is a sphere with a circular channel for gate parts, ball rotation with the stem of the valve action to achieve headstock.
球閥是用帶有圓形通道的球體作啟閉件，球體隨閥桿轉動(dòng)實(shí)現啟閉動(dòng)作的閥門(mén)。

closed ball的相關(guān)資料：

臨近單詞

closed on closed closed tube method closed thoracotomy closed pretopology closed-bomb test closed observation closed-end funds closed head injury closed back volume closed shop system closed personality

以上內容獨家創(chuàng )作，受著(zhù)作權保護，侵權必究

今日熱詞

相關(guān)詞典網(wǎng)站：

牛津高階第八版

美國韋氏詞典

Free Dictionary

維基百科 (自由的百科全書(shū))

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