grey cast-iron的用法和樣例：
例句
- The paper introduces such a line to produce shell-moulds of small and medium-sized castings of grey iron for motors.
本文介紹了這樣一條用于生產(chǎn)汽車(chē)灰鑄鐵中小件的殼型鑄造生產(chǎn)線(xiàn)。 - Transformation characteristics of the dendritic austenite and eutectic austenitein commercial grey cast iron during continuous cooling have been investigated.
研究了工業(yè)灰鑄鐵中枝晶狀奧氏體和共晶奧氏體在連續冷卻過(guò)程中的分解特征。
