An anti-floatingconstruction method of a thin-walled hollow tube in a cast-in-place concrete hollow floor slab belongs to the technical field of residential construction.
一种现浇混凝土空心楼板薄壁空心管抗浮施工方法，属于住宅施工技术领域。
2
We have more than 10 years of experience and knowledge in producing floating seal for heavy and construction equipment.
我们有超过10年的浮动油封生产经验和专业技术积累，产品可适用于各类重型工程机械和建筑矿山机械设备。
3
Objective to find out the characteristics of epidemic cerebrospinal meningitis outbreak among floating population in construction sites and to evaluate the effect of control measures.