It was possible to substitute bentonite by isolated ignin and synthetic fat by isolated lignin or red liquor as a binder for foundry core.是什么意思_It was possible to substitute bentonite by isolated ignin and synthetic fat by isolated lignin or red liquor as a binder for foundry core.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句