常見例句雙語例句Both the chill and reverse chill are defects often found in the nodular iron knucle castings.白口和反白口缺陷是球鐵件轉向節(jié)的常見缺陷。Therefore, the main process parameters of casting have been optimized using orthogonal design, thus obtaining high-quality castings without chill layer.本研究通過正交試驗對基本工藝參數(shù)進行優(yōu)化組合，得到無白口的優(yōu)質(zhì)鑄件。 返回 chill casting