I am looking to manufacture some squarecut style o rings. One is a multiple layer and the other is a viton. I can ship sample product for review. ...是什么意思_I am looking to manufacture some squarecut style o rings. One is a multiple layer and the other is a viton. I can ship sample product for review. ...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句