Warning: file_put_contents(/home/www/wwwroot/ndsq.cn/cache/d68e735a54f539e08bdf1543aa9a97f4.txt): failed to open stream: No space left on device in /home/www/wwwroot/ndsq.cn/index.php on line 55 sewer system plan例句_sewer system plan英汉例句_sewer system plan双解例句_开心英文字典_柠咚词
Introduced to plan an oil sump and sewer in the tanks and to design a sewerage system and recovery system of oils in the bulking area. 介绍了设置集油坑排污管及库区沟网排水回收油脂系统的原理、方法、效果。