Warning: file_put_contents(/home/www/wwwroot/tjuzi.com/cache/f0d4353a9504fba6768122e106478488.txt): failed to open stream: No space left on device in /home/www/wwwroot/tjuzi.com/index.php on line 55 low-atomic-number material例句_low-atomic-number material英汉例句_low-atomic-number material双解例句_橘子化妆朗文词典
The density measurement technology of foam material with low atomic number was established by low energy X-ray radioscopy . 採用低能X射線對低原子序數泡沫樣品進行透射照相，以膠片作爲記錄介質，對材料密度進行測量。