１）材料准备：C40细石砼由商品砼公司提供。的翻译：1) material preparation: C40 fine stone concrete provided by commodity concrete Corporation. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

1) material preparation: c40 fine aggregate concrete by the commercial concrete company.

1) material preparation: C40 fine stone concrete provided by commodity concrete Corporation.

正在翻译，请等待...

1) material preparation: C40 fine stone concrete provided by commodity concrete Corporation.