Appearance and inner 外表和内心
A person's appearance of beauty and purity, should is a sign of his inner beauty and purity.
人的外表的优美和纯洁，应当是他内心的优美和纯洁的表现。——别林斯基。
Experiment results have shown that s. g. iron with good appearance and inner quality can be obtained so long as each technological parameter has been properly determined.
试验结果表明，只要合理确定各项工艺参数，可以获得外观质量与内在质量良好的球墨铸铁。
The butterfly type valve casting's the appearance and inner quality is increased through improving the technique and strengthening order-making control.
通过改善铸造工艺与加强过程控制，提高了铸件外观和内在的品质。
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