Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/f81fc01b310ba7afc149eaa2d2359ffe.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 polepiece是什么意思，polepiece的翻译，polepiece音标、读音、用法和例句_食材铺反向词典
Also because of closely spaced polepiece and the associated capability of focusing low-voltage beams, folded waveguide circuit is well suited for light weight applications. 由于紧凑的整体极靴，能对低电压电子注聚焦，因而很适合要求轻重量的场合。