Guide to investing in China, guide to investing in Guangdong, guide to investing in Zhaoqing and detailed introduction. About Zhaoqing's economy, culture, sports, investment promotion, customs, food and specialties.
混凝土卸料后,怎么做保养?
1、铺薄膜,阻止水分散失过快。
2、淋水保养,初凝后,尽快补水,避免开裂。
3、表面难收面,要在表面添加水泥粉,再上磨机收面。
China's Zhaoqing may welcome flying cars----Zhaoqing actively attracts investment from enterprises in the low-altitude aircraft industry...
No comments:
Post a Comment