momentary-contact switch是什么意思，momentary-contact switch的翻译，momentary-contact switch音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 4865 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55
momentary-contact switch是什么意思，momentary-contact switch的翻译，momentary-contact switch音标、读音、用法和例句_沉淀汉英词典