Warning: file_put_contents(/home/www/wwwroot/tjuzi.com/cache/ffeb5cce71e5dac0b72ce5f6e6964394.txt): failed to open stream: No space left on device in /home/www/wwwroot/tjuzi.com/index.php on line 55 parallelity是什么意思，parallelity的翻译，parallelity音标、读音、用法和例句_橘子化妆朗文词典
In view of the requirements of the verticality and parallelity in the process of equipping elevator for high building, a new laser collimating system is presented. 针对高层建筑电梯安装过程中导轨垂直度与平行度的要求，设计了一种新型的激光准直系统。