求翻译：目前日本和德国的铸造业是处于世界先进水平,我国的铸造业与其确实存在一定的差距,主要表现在铸件综合质量、铸造生产工艺和技术装备等等基础方面，就尺寸而言，我国的铸件普遍比日本低1~3级，表面粗糙度也差1~2级。我国只有少数的大型企业引进的这些高端设备，我国的铸件的整体不精，离日本和德国的精密成型工艺方面还有很大差距，我国的的铸造业不可盲目乐观。是什么意思？

Foundry industry in Japan and Germany in the world advanced level, China's foundry industry and their does exist a certain gap, mainly in the comprehensive quality of the casting, casting production technology and technical equipment and the foundations, in terms of size, our casting generally lower

Currently, in Japan and Germany in the foundry industry is a world-class level, our foundry industry and its there is indeed a certain gap in the casting, the main performance, integrated quality foundry production process and equipment, and so on, based on the size of the casting, and generally bet

If at present Japanese and Germany's casting industry is in the world advanced level, our country's casting industry has certain disparity truly, mainly displays in casting synthesis quality, casting production craft and technical equip and so on foundation aspects, speaking of the size, our country

Currently Japan and Germany of the foundry industry is the world's advanced level, China's foundry industry and a gap does exist, mainly in the production process and equipment of comprehensive quality of castings, casting and so on base, as far as size, cast in China than Japan low 1~3 levels, poor

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