Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/6f860c6bf90f4515cea8c48c5a114ca7.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 compactgrain是什么意思，compactgrain的翻译，compactgrain音标、读音、用法和例句_按摩法牛津词典
COMPACTGRAIN is available in aluminum oxide and silicon carbide grain, and it can be produced in belt and disc forms. COMPACTGRAIN由氧化鋁和碳化矽顆粒制成，也可以生産成砂帶和磨磐的形式。