Abstract It is not of profit for volume use of resin coated sand in hotbox coremaking that the former has been developed for shell core and mold.是什么意思_Abstract It is not of profit for volume use of resin coated sand in hotbox coremaking that the former has been developed for shell core and mold.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句