Warning: file_put_contents(): Only 0 of 5203 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/62383.com/index.php on line 55 projectual是什么意思，projectual的翻译，projectual音标、读音、用法和例句_流逝汉英词典
The Magnetic Field Projectual is a sturdy, transparent acrylic case that holds iron filings in a special viscous fluid. 磁场投射盒是一坚固、透明的压克力板，里面有铁粉在一种特别的纤维性液体里。